Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 3

Zemstvo (Rural) Post - Penza

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Start price: $300

Buyer's premium:

1910, ½k violet, top and bottom margin vertical strip of five, imperforated horizontally between stamps, reinforced fold between third and fourth stamps, otherwise full OG, NH or LH (hinged on top margin and bottom stamp), VF and very scarce, ex-Faberge, Chuchin #8, Est. $400-$500