#73f Used, Printed on Both Sides Error, 4 Known, Catalog $30,000, Error Rarity
Scott #73f, Used, Printed on Both sides. Reperfed on Top, otherwise Sound. 38 Used and 10 Unused U. 19th Century’Printed on Both Sides’ stamps are known #73f has 4 Used and 1 Unused known instances. None of them are Sound. … Continued