SOLD 1960's/1970's Bright Orange Swirl Lucite Buttons on Original Card

Here are six vibrant, bright orange buttons all ready for use or to add to your vintage button collection!  The are made from an acrylic plastic. Each has the appearance of a swirl design, yet the button is smooth, flat and shiny.  It's a bit of an optical illusion really - very pop art and funky.  There are six unused buttons here mounted on original card. It looks like they were designed to be sold in pairs as each two are sewn onto their own section of perforated card with the wording 'EXCLUSIVE BUTTONS' and 'Foreign'. Each button has a diameter of 1.25 inches.