These Radium Condoms were produced by the Nutex Company of 322 S. Seventh Street, Philadelphia, PA. Based on the design of the tin and style of the graphics, I would guess that it probably dates from the 1940s. Nevertheless, the NUTEX Trademark (262412) seems to have bee used since 1927 for "prophylactic rubber articles for the prevention of contagious diseases." The NUTEX Company was initially known as the Lederer Company. Size: 2 1/2" x 1 5/8"