1911/14, Russian Temporary Postmarks, small group of 5 cards, some better items with “DVINSK POLIGON VITEB. 4 VII 1911” (DVINSK ARTILLERY POLIGON) temporary cds. tying a 4 k. (one negligible perf toning) to postcard to St Petersburg, latest date of usage recorded, “SERGIEVSKI POLIGON 11. 8. 11” SERGIEVSKI ARTILLERY POLIGON cds. as a receiving mark on postcard with travelling post office “RIGA 39 TAPS 10. 8. 11” addressed to the Artillery School (civilian temporary post office opened from 1st May to 15 September), also one card from Switzerland, etc., overall in fine condition
