Antique sewing machine clear polymer stamp measuring 75 x 70 mm (H x W) approx.

Untrimmed clear stamp (trim excess & peel off backing before use).

Should work well with TandaStamps Stitches mini set.

A medium acrylic block (4" x 3") would be the right size for this stamp.

This image is adapted from the original sewing machine instruction manual from 1886, as made available on Rebecca's blog.