PIN-UP GIRLs
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A pin-up girl is a model whose mass-produced pictures see wide appeal as popular culture. Pin-ups are intended for informal display, i.e. meant to be "pinned-up" on a wall. Pin-up models may be glamour models, fashion models, or actors.
The term was first attested to in English in 1941; however, the practice is documented back at least to the 1890s. Pin-up images could be cut out of magazines or newspapers, or on a postcard or lithograph. Such pictures often appear on walls, desks, or calendars. Posters of pin-ups were mass-produced and became popular from the mid 20th century.

A pin-up girl is a model whose mass-produced pictures see wide appeal as popular culture. Pin-ups are intended for informal display, i.e. meant to be "pinned-up" on a wall. Pin-up models may be glamour models, fashion models, or actors.
The term was first attested to in English in 1941; however, the practice is documented back at least to the 1890s. Pin-up images could be cut out of magazines or newspapers, or on a postcard or lithograph. Such pictures often appear on walls, desks, or calendars. Posters of pin-ups were mass-produced and became popular from the mid 20th century.