Bright silver tone blue crystal cuff links and tie bar/tie pin set

Bright silver tone blue crystal cuff links and tie bar/tie pin set Purchased in a lot at auction, so I do not know the backstory/brand/material. Sorry! Most jewelry items are not tested, unless it is specified in the listing that it has been tested, all other items are described only by the stamps and markings, which I am happy to show pictures of. Pre-owned condition, please see all pics for details of wear and let me know if you have any Qs about the item, about bundling, etc. Smoke-free, pet-friendly home **To be eco-friendly, your item will be carefully packed/protected in clean, pre-used materials GBB_SGW_2020 Bright silver tone blue crystal cuff links and tie bar/tie pin set