AMERICAN DYEWOOD COMPANY. LOGWOOD BLACKS ON WOOLENS AND WORSTEDS: PERFECTION SAMPLE CARD. New York: American Dyewood Company [n.d. ca. 1920]. 9 1/2 x 6 1/2 inches folded. Black cloth stamped in silver. Inside front cover has a 7 page booklet affixed, "Remarks and Dyeing Formulae." The inside folds out to three stiff card pages, each with twelve samples on wool/worsted cloth. The colors are all varying shades of black. Excellent condition except for light soil to first page of formulae booklet.