Plojestie
on piece 1864 perf.9½ 10s. blue affixed to 1867 (7 May) acknowledgement of receipt form for a registered letter from Kronstadt, tied by "PLOJESTIE 7/5" c.d.s. and showing a second similar strike (without date plug) adjacent (Ryan 10, RR). A unique usage of the 1864 10s. on a return receipt as a Hungarian provisional which was possible only during May and June 1867. Photo
Details
on piece 1864 perf.9½ 10s. blue affixed to 1867 (7 May) acknowledgement of receipt form for a registered letter from Kronstadt, tied by "PLOJESTIE 7/5" c.d.s. and showing a second similar strike (without date plug) adjacent (Ryan 10, RR). A unique usage of the 1864 10s. on a return receipt as a Hungarian provisional which was possible only during May and June 1867. Photo
Further details
Illustrated on Page 711 of the Handbook.