Early Singer Sewing Machine Seam Guide w/ Lrg Head Thumb Screw Simanco 25527 287

Vintage Singer sewing machine seam guide with thumb screw. This is an earlier set, the guides are often unmarked (not stamped Simanco) and come with a large headed thumb screw, they were included in many early attachment sets including the oak puzzle box. Very good vintage condition, clean and rust free but may have minor discoloration due to age. Genuine, original Simanco part #25527 and #287