Public Auction 72 / Philately / Czechoslovakia 1918-1939 / Second Airmail Issue 1922 / Second Airmail Issue 1922 - Trial Prints

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248329 -  PLATE PROOF  overprint 250h in blue color in 4-BLOKU on/for
+1
Jakost/Jakost/Jakost
PLATE PROOF overprint 250h in blue color in 4-BLOKU on/for strong brown carton; very fine, exp. by Mrnak and Vrba, as blk-of-4 rare occurrence!
Starting price: CZK
U:A5