From Robert Eisenstadt's home page: (Filled with valuable information on mold designs)

See: http://www.antiquegamblingchips.com/molddesign_geometric.htm

TRIANGLES -- 24 triangles alternately

pointing in and out. A.E. Schmidt

Company, Saint Louis MO........I have

samples of the chip on the left for sale here

-- 10 cents on one side, "JB" on the reverse