Legionnaires issue. EXHIBITION STYLE COLLECTION: 1919, over 650 mint and used stamps and 24 Charity souvenir cards bearing block of four from the issue and tied by special Prague cancellations, 103 plate and trial color imperforate and perforated proofs, 52 singles or blocks with various control numbers on margins, range of blocks (5-7 for each value) representing various city cancellations, card proofs in blocks tied by red Praha cancel, perforation, color and printing varieties, a beautiful unit, full/large part of OG or used, F/VF, Est. $2,000-$2,500 (Image)