Rare Stamps & Postal History of the World

1923 1c green, perf. 11, machine cancel, unusually well centered for this difficult issue, with 2021 PFC graded "VF-XF 85" (SMQ $50,000) (Siegel census records 110 used stamps, of which many have perforations cutting in on one or more sides, or have faults. The example offered here is well centered and sound. As such, it is a rarity)
Estimate: $20000