I believe this is rhodium plated sterling silver - has the look of white gold - plating is perfect.
Georg Jensen Vintage Sterling Silver Cufflinks 925 Rectangular Men's Wedding
Vintage Sterling Silver Cufflinks 91216
vintage sterling silver cufflinks. Very Reflective.
Vintage Sterling Silver Round Cufflinks Unbranded 31816
Vintage Sterling Silver Initials E. W. M. Cufflinks
Vintage mid century sterling silver CUFFLINKS from Mexico with onyx