1918-1922, 40 covers (plus fragments not counted) showing various colorful frankings with TRIDENT ovpts, various towns & usages, large multiples, etc., plus 2 WWII covers, see web, seldom offered (Est. ? 4'000/7'000) (Image)

1918-1944, An amazing collection of the Trident overprints in 6 albums incl. covers and complete sheets, ordered by Towns with the different types of overprints, noted Kiev Type I, II, III, Kharkov I, III, Ekaterinoslav Poltava, Odessa Type I, II, III, Kmerson in sheets, numerous errors & varieties, misplaced, missing, double, and inverted ovpts, missing ovpts, gutter pairs, stationery & covers, plus Vienna set, other Ukraine related material, WWII German Occ., etc., a most advanced collection, seldom offered (Est. ? 2'000/4'000)