Farm girl on the furnace

Picture referred bottom right: "Hogo Kaufmann, 74", back: on the wood base up in blue " XR 20/5 ° " [ location Meiserstr.] , top center adhesive strip traces , left center label BStGS "Inv.Nr. 11971", next to it in pencil "PR" [Photo Roth, ID BStGS], slightly higher orange sign "Glas, vor Transport abkleben, tape before shipping", centered illegible oval stamp on back written right vertical "N. .." among them "P" on the inside frame top in pencil "6461" on the outer frame in the upper left corner in blue "XR 20/5 °", beside traces of a demolished shield, left side in the middle black shield from the frame-maker "C. Blecken, Spezialfabrik für Gemälderahmen in allen Stilarten, München 2 NW, Telef. 57701, Kreittmayrstr. 12", bottom left white sign "Berkes" [restorer BStGS], bottom center metal plate "11971 Hugo Kauffmann, Bauernmagd ab Ofen 1874", half of the plate upside down on the upside the numbers "6461" in the lower right corner "Max Glas", next to the corner bottom right "29/40 KH?" [corresponds rebate of the frame], more illegible font and stamp marks as well as glue drops and yarns