.75" high quality lapel stud featuring high relief silver image of donkey with tiny red jewel accent eye plus silver lettered inscription "Bryan Sewall 16 To 1" against deep blue enamel bkg. Reverse has threaded post and brass cap. No maker. Tiny dot between the last two letters of Sewall's name without enamel, probably as made and barely showing as the black area blends with the blue enamel. Scarce.