277 ARGENTINA - AIRMAIL
Auction #232: WORLDWIDE + ARGENTINA: General Winter auction!
Multiple /      Cat.#: GJ.640
VF.     GJ.640, 1928 20c. blue, TRIAL COLOR PROOF, block of 6 printed on thin unwatermarked paper (not listed by Kneitschel), very fine quality, very rare!
Starting Price: US$ 100       Current Price: US$ 100
Bid US$ 111 or more     Closing: 2017-08-30 22:30:00