Photographer: Unknown. Annotations on envelope: N/A. Annotations on negative: Za obrabotkoi kozhi ul. M-Gorkhon tunkinskogo r-na, buriaty 1928 g. 45. Additional observations: Za obrabotkoi kozhi zhenshchina buriatka. Condition of original: polnaia. Date: not recorded. Keywords: Tekhnologicheskii protsess.