Hon can I add a note about your auction item? These are set with Lapis Lazuli. It has not been called "sapphirus" or sapphire, since the Greek's and Roman's traded it in 2,650 BC, that's 5,000 years ago. It had that name merely because it was blue, or heaven colored. The gold flecks in it are actually Iron Pyrite or fools gold. but that is why it looks soo pretty. This is a fine set you have put together. I recently acquired a Tie Clip set with a lapis round cabochon, similar to your tie tack w/ a square cabochon. The large oval buff top cabochons in the cuff links are very heavily streaked with the pyrite, and this quality is rarely seen today. Best of Luck on your auction. Miss Sherrie F & W