Are signed and numbered lithographs worth anything, and where can I sell them?

Some are, but many signed prints sell for much less than people expect. A lithograph is a print made from a drawing on stone or a metal plate, and value depends on the artist, whether it was printed under the artist's supervision, the edition size, condition, and whether the signature is genuine.

A pencil signature with an edition number, such as 25/150, usually means the artist signed it by hand. A signature printed as part of the image, called "signed in the plate," adds little. Prints by major names like Picasso, Chagall, Miro and Dali are widely reproduced and forged, so they need careful checking. Look for a certificate, publisher's blindstamp (an embossed mark in the margin), and gallery receipts.

Condition matters a lot. Fading, stains, foxing and trimmed margins lower value. Don't remove the print from its frame unless you have to.

For prints by recognized artists, an auction company that sells fine art or a print specialist is the best place to sell. Decorative prints often sell best locally. An appraiser can confirm authenticity first.