This is one of the hand embroidered seams on block 67 of the I dropped the button box Quilt. It is made up of detached chain stitches, stepped and threads running stitch and seed beads divided by little straight stitches.
These articles illustrate the hand embroidered seams, embellishments and decorations on my crazy quilt I dropped the button box. A view of the full quilt and links to each block and their pattens can be found on the CQ details FAQ page.