Badge with the image of a scythe, rake and sickle

Badge with the image of a scythe, rake and sickle.
USSR. 1920-s.
White metal, green beads, celluloid, photo paper, casting, inlay, photo printing
42×37 mm.
Author unknown.

According to the engraving on the back, the badge is identified as a product of the workshop of E. Kortman in Saint Petersburg.

ГИМ 112056/140
ФМЛ Б-2744
ГК 21107052