60s Vintage Pat Pend Cufflinks: 60s -Pat Pend- Mens gold tone brushed copper look background round cufflinks with almost lilly pad inspired cut away. Really my favorite of this bunch.
Vintage Men's Cufflinks LOT OF 3 Pat Pend Mosaic Amber Colored Gold To – Shop Thrift World
Vintage 1875 HAND PAINTED Pat Pend CUFFLINKS Cuff Links | #41314035
Anson Vintage Cufflinks Pat Pend Unusual Design Chain Link - Etsy UK
Unusual Vintage 9ct Solid Gold & Moss Agate Pair Of Cufflinks 1.7cm X 1.3cm — Wheeler Antiques