95 ARGENTINA - AIRMAIL
Auction #2004: ARGENTINA: Special January auction, 101 RARE LOTS 101!
Single / Mint NH (Virgin Gum)     Cat.#: GJ.661a     Cat.Value: US$750
VF.     GJ.661a, 1930 50c. Zeppelin with blue INVERTED overprint, MNH (+50%), superb, signed by Victor Kneitschel on back!
Starting Price: US$ 450       Current Price: US$ 450
Bid US$ 496 or more     Closing: 2020-01-23 22:05:00