Rev. stamped: Dieges & Clust N.Y. (confirmed with a 1908 postcard, written by a rowing regatta competitor), (K for Kaueonga Lake, the northern end of White Lake, indian name meaning "lake with two wings"
KAA probably stands for Kauneonga Athletic Assoc, (see single KAA single medal), assorted swimming and rowing from 1907 to 1911, obv: all but one with rowing motif, rev: all with inscription, see pictures/Inventory-objects