Beautiful shell purse charm/keychain, vintage

This is a gorgeous vintage piece! Pictures don't do it justice because of the reflections off the shiny surface. Shades of brown and cream on a short silver chain with an old fashioned key ring on the end. That's how it attaches to your purse, or you can use it as a keychain. Or remove the key ring, slide the shell on a cord or chain and wear it as a necklace. Versatile! Approximate measurements 4.5" long.