1894/1942, very interesting group with over 200 covers and cards around the topic "exhibitions", including many special cancellations, UPU, exhibition vignettes, special postcards as well as e.g. Bavaria se-tenant on R-cover for Philatelists Day 1912, Hungary souvenir sheet 1 on five cards, partly with additional franking as well as Austria WIPA stamp on R-cover with special cancellation etc., mostly good condition
