A stamp artist´s works are small artworks, a finished painting, a drawing, a photo
or made in any other form by a Stamp Artist or just his or hers preliminary sketch.
Approved or not approved for stamp printing.
May be a work of a drunken printer, a broken printing press, paper waste
or an innovative creation at the printing house. Perforation errors.
Postage stamp errors occurs by a problem in the printing process.
By a misstake, accident or by purpouse.
Inverted overprint is a classic error but there are a lot more.
Something can be wrong with he paper making it a stamp paper error.
Perforation errors or printed on the gum just make it even more interesting.
As stamps usually are printed in many colours it can be hard to get it right.