Ringer's c. 1920s Optical Illusion Cigarette Cards, Complete Set of 25 boston ephemera 9 1/4" tall x 9"

9 1/4" tall x 9" widest diameter

and I think New England or New York state based on a few other Shaker brushes I have researched

with a bit of cloudiness to the black lacquer on the front of the box and a little bit of cracking to the lacquer on the underside of the box near the bottom edge

became quite an industry

diplomat and traveller Sir Robert Ker Porter (1777–1842)

Ringer's c. 1920s Optical Illusion Cigarette Cards, Complete Set of 25 boston ephemera 9 1/4" tall x 9"Since finding a set of these c. 1920s British "Optical Illusion" cigarette cards several months ago, I've been actively looking for more I think the colors and graphics are fantastic, and what's more fun than optical illusions? On the back of each card is an explanation of each, or in some cases instructions for how to create an illusion according to the diagram on the face of the card, which admittedly in a few cases seems a fairly cumbersome