First Mexico Revolution Stamp Scott #321 Sonora 5c Perforate

This stamp was made first but issued after the roulette issues Scott #322~328. These were only used in La Cananea and its sub-post office. There are estimated about 40 exist (mint, used and on covers) today and there are fewer than 5 known unused. The UL is mint, the UR is the earliest use known (Jul 9, 1913), the LL is CENTAVOB error (Scott #321a) and the LR is tied by the rare NACO pmk. If you are interested in the Mexico Revolution issues, please visit Please review the rules.