A set of 21 used stamps from 21 different types from 10 countries in North America, Asia, and Europe. They appear to have been used roughly between the 1960s and 1990s. (From top left to bottom in the photo) ・United States 5 types Airmail stamps (pioneer female pilot Scott and helicopter developer Sikorsky), Liberty series, etc. ・Australia 5 types Sports series, etc. ・South Korea 3 types Ahn Chang-ho (center), an independence activist who also lent his name to a South Korean submarine, etc. ・China 1 type ・Saudi Arabia "K.S.A." 2 types Mecca mosque and oil drilling rig (From top left to bottom, then top right to bottom in the third row) ・Malaysia 1 type ・Germany 1 type ・France 1 type ・Norway "NORGE" 1 type ・Romania "R.P.ROMINA" 1 type There may be some stains and wrinkles due to aging, but please check the photos and purchase if you understand.