0.25 x 0.25" Soft Enamel Pin Single Posted Rubber Clasp SOLD! A favorite site for every artist and commercial gallery, the little red dot sticker indicates to all that a work on view has been sold. This signals transparency to gallery visitors that while they can appreciate the work while still on display, it is no longer available for purchase. Comes packaged with Pin Museum branded backer card, and a protective polybag.