Mens Cuff Links – Polished Finish Stainless Steel Luxury French Tuxedo Shirt Cufflinks for Men $5.99 at amazon (FS w Prime or FSSS)
https://www.amazon.com/dp/B01DBMTJIC/
There is a 5% off code on the item page but use this code to get 40% off
XDXXTK64
Final price is $5.99
I know lot of discount reviews but I have these myself and they look great (good finishing as well if you look up close).