Singer 401 403 404 500 503 sewing machine drop in bobbin case & one 1st generation bobbin Simanco 172082. Lot A

Singer drop-in bobbin case for models 401, 403, 404, 500, and 503, along with one first-generation Simanco 172082 bobbin, is available. The bobbin case and bobbin exhibits some wear and patina and would benefit from thorough cleaning, as would the bobbin itself.