Auction # 2501 ARGENTINA: Special January auction

Rare MIXED POSTAGE + PROVISIONAL USE of registration label: Registered cover sent from San Juan to Buenos Aires on 12/MAY/1912 franked with 22c. (20c. San Martín in oval + 2c. Plowman, rare combination!) with datestamp of San Juan. The registration label has printed on it the name of the town "EST. POCITO" which was crossed out to be used in the capital city of the province, arrival backstamp, excellent!