382. Auktion
18. – 23. September 2023 in Wiesbaden
SPECIMEN, 1913: Columbus Stationery Card 1 c. green/black, fresh colour, perforated with special two-line "SPECIMEN A.B.N.Co." together with red overprint "F6235" at top,; very fine, a very rare specialist item
1917/43 (ca.), lot of 9 airmail covers and postal stationery envelopes with interesting cancels and censorship marks