Most old maps found in homes are worth about $5-50. The great majority are 20th century printed sheets: gas station road maps, National Geographic supplements, USGS topographic quadrangles, school wall maps, pages cut from a 1950s atlas, or decorative reproductions of antique maps sold in gift shops and framed in the 1970s. They are interesting, and the best road maps and pictorial maps sell for $20-80, but they are common. The money is in originals: maps engraved and printed before about 1850 by the famous Dutch, French, German and English publishers, 19th century American state and county maps from Mitchell, Colton, Johnson and the county atlas makers, bird's-eye views of towns, and early maps of regions that collectors chase, especially the Americas, Texas, California and the Pacific. Those sell for about $100-5,000, and the earliest and most important maps of the New World for tens of thousands.
The question that decides almost everything is whether the sheet is an original impression or a later reproduction. Age of the subject tells you nothing; a 1570 Ortelius map was reproduced by the thousand in the 1960s. The paper, the printing method and the plate mark tell you the truth.
Quick answer
- 20th century road maps, atlas pages, topo sheets and gift-shop reproductions: $5-50, the best pictorial and early road maps $20-80.
- Original 19th century American state, county and railroad maps: $30-300; bird's-eye town views $300-3,000.
- Original 16th to 18th century engraved maps by Ortelius, Mercator, Blaeu, Speed, Homann and their peers: $200-5,000, important maps of the Americas far more.
- Look for a plate mark, laid paper, a centerfold and printed text on the back: all signs of an original from an atlas.
How to tell an original from a reproduction, step by step
- Hold it up to the light. Paper made before about 1800 is laid paper, and against a window it shows a pattern of fine close lines crossed by wider spaced chain lines about an inch apart, often with a watermark. Wove paper, smooth and even, came in around 1800 and most 19th century maps are on it. A bright white, perfectly smooth sheet with no texture is modern.
- Look for a plate mark. An engraved map, which is how nearly all maps were printed before about 1820, was pressed into damp paper from a copper plate, and the edge of the plate leaves a rectangular indentation around the image. Run a finger along the margin or tilt the sheet in raking light. Lithographed maps from the 19th century have no plate mark, and reproductions sometimes print a fake one, so look for an actual impression in the paper.
- Check the back. Maps from atlases often have printed text on the verso, in Latin, French, German or English, describing the region. A centerfold is normal, because the map was bound into a book. Reproductions are almost always blank on the back, and many carry a small printed copyright line or publisher's name in the lower margin.
- Look at the lines under magnification. Engraved and lithographed lines are solid. A reproduction printed by offset or halftone shows a pattern of tiny dots across the image and the color areas.
- Judge the color. Original hand coloring sits on top of the line work, is slightly uneven, and on older maps has often oxidized so that the green has browned the paper from behind. Printed color is flat and even and often slightly out of register with the lines.
- Identify the map. Read the title cartouche, the mapmaker's name, any date, and the place names. The major mapmakers and their atlases are well documented, and the same map was often issued in many editions over decades with small changes in the plate. Dealers' catalogs and the big online map databases will match the state of the plate to a year.
- Assess condition. Tears into the image, holes, heavy foxing, water stains, trimmed margins, backing with paper or cloth, and old tape all reduce the price. A map trimmed inside the plate mark has lost a lot of its value. Original margins, a clean centerfold and sound paper are what buyers want.
- Compare sold prices. Search the mapmaker, the title and the year with the word "sold."
What common old maps are worth
These are the maps most often sent to us. They are real, they are old, and almost all of them were printed in quantities that keep the price down.
| Map | What it usually is | Typical sold price, as of late 2026 |
|---|---|---|
| Gas station road maps, 1930s to 1970s | Texaco, Shell, Standard, Gulf, folded | $3-15, 1920s and pictorial covers $20-60 |
| National Geographic supplement maps | Folded inserts, 1910s onward | $3-15 |
| USGS topographic quadrangles | 1890s to 1970s sheets | $5-25, early editions of big cities $30-80 |
| Rand McNally and Cram atlas pages, 1880s to 1930s | Lithographed state maps | $10-40 |
| School and office wall maps, 1900s to 1950s | Spring roller, cloth backed | $40-200 |
| Pictorial and cartoon maps, 1920s to 1950s | Tourist, railroad and city maps | $30-150 |
| County atlas maps, 1870s to 1900s | Township plats with landowner names | $20-100 |
| Johnson's atlas maps, 1860s | Hand-colored US states | $40-150 |
| Mitchell and Colton state maps, 1850s to 1860s | Hand-colored, decorative borders | $40-200, Texas and California $150-600 |
| Gift-shop reproductions of antique maps | Printed, often on tinted paper | $5-25 |
| Sanborn fire insurance sheets | Large colored plats | $20-150 |
A framed map is a common case. The frame rarely adds value and often hides the margins, the back and the damage. Ask the framer to open it, or open it yourself if it is a simple frame, before deciding what it is.
Original antique maps and what they bring
Maps engraved between about 1500 and 1820 were issued in atlases by a few dozen publishers whose names collectors know. Prices depend on the maker, the region shown, the edition and the condition, and a map of a region collectors want is worth many times a map of the same date showing a corner of central Europe.
| Map | What it is | Typical sold price, good condition, as of late 2026 |
|---|---|---|
| Ortelius, 1570 to 1612, European regions | First modern atlas, copperplate | $200-800 |
| Ortelius, Americae Sive Novi Orbis | The famous map of the Americas | $5,000-20,000 |
| Mercator and Hondius, 1600s, regions | Atlas maps, often with verso text | $200-1,000 |
| Blaeu, 1630s to 1660s, European regions | Finest Dutch engraving, often original color | $300-2,000 |
| Blaeu, Nova Belgica et Anglia Nova | New England and New York | $5,000-15,000 |
| John Speed county maps, 1611 to 1676 | English counties with town insets | $400-1,500, Wales and rarities more |
| Speed, A New and Accurat Map of the World, 1627 | Double hemisphere, famous | $10,000-25,000 |
| Homann and Seutter, 1700s | German, bold original color | $150-800 |
| De L'Isle and D'Anville, 1700s | French scientific mapping | $150-1,200 |
| Jefferys, Mitchell, Faden, 1750s to 1780s, North America | Colonial and Revolutionary War period | $1,000-15,000 |
| Bird's-eye town views, 1860s to 1890s | Lithographed, Beck and Pauli, Ruger, Koch | $300-3,000 |
| Early railroad and emigrant maps, 1850s to 1880s | Folding pocket maps | $200-2,000 |
Condition moves these prices by half or more in either direction. A Blaeu with original color and wide margins is a different object from the same map trimmed, browned and backed with cloth. Many early maps have been washed, recolored or had their margins extended, and some of that work is hard to see without experience. Anything in this table is worth a dealer's eye before it is sold.
Maps that look antique and are not
The gift-shop reproduction is the big one. Thousands of "antique maps" on cream or tea-stained paper were printed from the 1960s on, often with a convincing plate mark pressed in and an aged look printed onto the sheet. They have halftone dots under magnification, blank backs, no laid lines, and a small publisher's credit in the margin. The same is true of the maps printed in facsimile atlases, which were cut up and framed. Our guide to first editions covers the same problem in book form: age of the text and age of the object are not the same thing.
Then there are the honest later printings. The plates for a famous map were reworked and reprinted for a century, and a late state from a worn plate is worth a fraction of an early one. Only the edition tells them apart, and the edition is in the details: the publisher's imprint, a date in the cartouche, a town added or removed, the text on the verso.
How WorthPic reads map photos
WorthPic runs on the newest and most capable AI model available, tuned for exactly this kind of identification. It reads the cartouche, the mapmaker's name and any date and imprint, and recognizes the style of engraving or lithography and the kind of coloring. From a photo taken in raking light it looks for a plate mark and the texture of the paper, and from a close-up it looks for the dot pattern that marks a modern reproduction. From the back it reads verso text, a centerfold and any publisher's credit. It then gives an honest value range for what the photos show and says what carries the price: the maker and region first, then the edition and condition. Where a detail is not visible, whether the paper is laid or wove, whether a plate mark is real or printed, whether the color is original, it says so and asks for the photo that would settle it. It identifies and estimates. It does not authenticate a map or vouch for it, and the maps in the antique table are exactly the ones that should go to a specialist map dealer or a rare book dealer in person.
Common mistakes
- Judging by the date in the cartouche. The subject may be 1570 and the paper 1975.
- Flattening a folded map by ironing it, or pressing it under heavy books while damp. Fold damage is minor; a crushed or scorched map is not.
- Taping a tear, on either side. Conservators can remove old tape but the stain often stays.
- Trimming margins to fit a frame. The margins carry the plate mark and the value.
- Having a map "restored" with modern color. Recoloring is common and reduces value when it is found, and dealers find it.
- Assuming a map in a frame is an original because it was framed professionally. Framers framed reproductions too.
What to photograph
- The whole map, straight on, in even daylight, including the margins and the edges of the sheet.
- The cartouche and any imprint, date or publisher's name, close and sharp.
- The sheet held up against a window or lamp, to show laid lines, chain lines and any watermark. This is the photo that settles most reproduction questions.
- The lower margin in raking light, to show whether there is a plate mark pressed into the paper.
- The back of the map, whole, showing verso text, the centerfold and any stamps or credits.
- A close-up at the highest magnification your phone allows, on a colored area and on fine lettering, to show solid lines or halftone dots.
- Any damage: tears, holes, stains, tape, backing.
When to get it looked at in person
A road map, an atlas page or a gift-shop reproduction does not need an expert. The maps that deserve an in-person look are anything that passes the paper and plate-mark tests and names a mapmaker from before 1850, any map of the Americas, Texas, California, the Pacific or Australia from before 1800, a bird's-eye view of a town, a large folding railroad or emigrant map, and any complete atlas before about 1880. A specialist antique map dealer or a rare book dealer handles maps regularly and can tell original from facsimile, early state from late, and original color from later. The major book and map auction houses take the important pieces. Maps often arrive with the rest of an old library or a box of paper, and our guides to old postcards and old National Geographic magazines cover the printed paper that usually comes with them.