Vintage Script “M” Monogram Initial Letter Cufflinks

Good Condition On one of the cufflinks it has a very small discoloration, in the photos it looks more pronounced. Backside has a little spots. The letter “M” is goldtone in a goldtone square that has black and silvertone around it. Backside is stamped Swank and SO Measures 3/4” x 3/4”