INTACT COLLECTION: 1920-23, 269 mint or used stamps, 4 stationery items, representing nice range of the 5th Anniversary of Revolution issue with varieties and unrecorded proof of 70k on soldier 70r violet with Soviet Philatelic guarantees on reverse, as well as numerous reference items for ''DVR'' overprints and air post stamps, representing three types of different forged surcharges, nice quality unit, full OG or used, F/VF, ex-Ustinovsky (Image)