Shirt studs: 0.85"x 0.83" (approx. 7/8" x 13/16" or 21.5mm x 21mm). ROBERT BOB PARKS POTE 99. I always try to point out any clear blemishes and condition. collar bar: none. Condition: VERY GOOD, stud slides are smooth and springs consistent - SEE PICS - (Hi resolution photos typically show more detail than is visible to the naked eye).
