Favorite this☆ Photograph envelope from Blacks Opticians Description: Enclosure or envelope for photographs from Blacks Opticians. Printed on front: "Blacks Opticians, 156 Woodward Ave., estb. 1850, Detroit. Kodaks and supplies. Blacks Opticians, estb. 1850, 156 Woodward Av." Details Resource ID: bh013404 Subject: Photography --Developing and developers Photographers--Michigan--Detroit Opticians--Michigan--Detroit Envelopes Date Issued: Unknown year Format: 1 envelope ; 6.25 x 4.5 in. Member of: Burton Historical Collection Filing Location: E&M 977.4D4 381 B Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.