Tiffany & Co. on Twitter: "The Return to Tiffany® key ring debuted in 1969. Each one sold was assigned a serial number and registered so that if lost, it could be returned
Tiffany & Co. Key Ring Return to Tiffany Dog Tag Key Ring - Etsy UK
Tiffany Keys modern keys ring in 18k white gold with diamonds. | Tiffany & Co.
Tiffany Heart Tag Key Ring Sterling Silver Inscribed - Etsy UK
Key ring Tiffany & Co Silver in Synthetic - 12827181