Philatelic fakes and forgeries

French philatelist, owner of the world's largest stamp collection (1850–1917)

military operation

the process whereby an authority is asked to give an opinion whether a philatelic item is genuine and has been repaired or altered in any way

Belgian stamp dealer and philatelist (1833-1908)

forgery made with the intention of imitating a stamp

stamp series of the United Arab Emirates