RENOIR Vintage Copper retailer Link Necklace Signed 19 inches

Renoir Copper Link Necklace
13 links and approximately 5 inch extension chain.
19 inches in all.
Each link approximately 1 x 5/8 inches.
Wave design we cannot find in the 1992 Copper by Burkholz however there is pictured on page 100 retailer an untitled earring that uses the design as one component.
Bright copper finish. anodized black finish on reverse.
Signed on the hook with copyright sign and "Renoir" in script.
Condition: Looks almost mint. Is pre-owned so may have some light wear somewear. No visible damage.

Renoir began using the copyright on their jewelry after 1954. The company used both script and block lettering. This seemed a matter of choice or convenience and did not date the pieces.