Vintage 14K Gold Top Uncut Blank Real Key Pendant

Vintage uncut blank key with a 14K yellow gold top. It is a real key that has not yet been made for a specific lock. If this key fits your house (or other) lock, you take it to the hardware store and have them made this key with your existing key pattern. Please be sure to check the groove placement and compare it to your own key, as the groove pattern must match for this key to work for your lock. But even if it doesn't, it would still make a statement pendant or charm.
The bottom of the key is brass or brass alloy. One side has an engraving of : R A S
On the reverse side it's marked 14K and the maker's mark.
Measurements: 56 mm H (including bail) x 19 mm W x 4 mm D
Weight: 11.7 grams