Cufflinks are vintage Wedgewood and sterling silver with a horse design.  They are engraved with Silver FAW which refers to F. A. Welsh a jewelry designer from Liverpool, England who set Wedgewood cameos into precious metals in the 1950s.  They feature a raised white horse on a black background.  There is a "G10" engraved in the silver bar in the back of each.    Research shows that only precious metals were used in the work that was marked Silver FAW G10.  In excellent condition, approximately 3/4" diameter.