Ten assorted cards of vintage plastic buttons, c.1940s-50s

Ten cards of vintage plastic buttons in various shapes, sizes and colours, c.1940s-50s; half of the cards retain all of the original buttons, whilst the other half have one or more buttons missing.  The buttons are all in good condition; the cards show varying degrees of age wear including creasing, marking, tearing and discoloration, and some have been written on.