TF est 1968 Cufflink T- Mechanic Stainless Steel Geneve Suisse. Cufflinks In Excellent Condition! They are beautiful and. Unique cufflinks made by the brand TF Est. TF 1968 Collection incorporates fun, playful and mechanical designs that make unusual and striking cufflinks that will grab your attention. Cufflink has a unique feature in which it has a functioning wheel that turns with any movement. The spring clasp closing system keeps your cufflinks safe and in place anchoring them firmly to your shirt. Please see all pictures for details.