Lot 2413
 
Austria 1917 Military balloon covers, two fieldpost postcards, first with handstamped Balloon Division No. 1 cachet cancelled Hungarian F.P.O. 91, Jan 21; second with Balloon Company No. 13 cachet and balloon handstamped cachets, postmarked Austrian F.P.O. 440, Sept 30; F.-V.F.
Estimate 200 - 300
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| Realized $260 |
