This is a list of postage stamps that are especially notable in some way, often due to antiquity or a postage stamp error. Among the best-known stamps are:
70r Red Army Soldier error (1922) – 70-ruble perforated 12.5 or imperforate orange red error; position 72 in part of the issue; 4 imperforate specimens known
Sweden
Treskilling Yellow – Unique error, world's record auction sales price for a postage stamp
