Vintage 1940s-50s Griest Rotary Buttonholer Singer Low-Shank w/ Box & Templates

Authentic late 1940s-1950s Griest Products rotary buttonholer attachment. Compatible with most vintage Singer low-shank sewing machines and other low-shank models. Includes: attachment, 6 metal templates, original cardboard box, and instruction sheet. Marked Griest Mfg Co USA with patent numbers 2182607, 2536620, and 2547925. Green Griest label intact; some wear and masking tape residue on top. Box shows edge wear but remains sturdy. Fully functional and great for use or display. 🚚 Ships fast + safe with tracking 🛍️ Bundle friendly 🧺 Offers always welcomed #vintagesewing #singersewing #sewingmachineattachment #griestbuttonholer #vintagetools #midcenturysewing #sewingcollectibles #madeinusa #rotarybuttonholer