Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 3
Lot 1515:
1918, black overprints (type 13) on perforated 2k-3.50r and imperforated 3k, postally used singles, except 2k in vertical strip of three and single aside on a piece, fresh and F/VF, ex-Dr. Zelonka and others, Bulat #1559/72, C.v. $1,055 (25k – not priced used), Est. $500-$600
Share this lot: