Dan, The various formats of the membership medal did not denote membership classes, but the amount the member wished to spend for his badge. The gold and enamel badge cost $15; the silver-gilt and enamel badge was $7.50; and the plain bronze version was $1.50. At the time the society was established (1898), $15 was serious money. BB&B was the premier manufacturer of society insignia at the time, specializing in the insignia of the men's societies. J.E. Caldwell, another major Philadelphia jeweler, specialized in the insignia of women's societies (DAR, etc). Tiffany made society insignia, but seemed to focus more on New York-related groups (e.g., Holland Society of New York.