Auction # 2433 ARGENTINA: San Martín (1917), including rarities!!

RARE POSTAGE: GJ.447, 1917 12c. San Martín, pair franking a registered cover with "samples without value" sent from Buenos Aires to Germany. The corresponding postage for a letter of between 151 and 200 grams was 6c.(for a letter of up to 100 grams) + 2x 3c. (2 additional rates) + 12c. registration fee, total 24c. Very fine quality, rare!