Racing Pigeon glass slides c1930/40 – to incl 10 varying from a racing pigeon belonging to his Majesty King George VI, 2x showing the Duchess of Kent opening the pigeon post at Dunlop works 1939, another wartime titled “message by army pigeon post 1940 war” others relating to private collections, individual birds, as well as birds in the wild some nesting with chicks - overall 3.25 x 3.25” (83mm x 83mm) in all (19).