Vtg. 80s Gas Pipe Bracelets Gold/Silver Tone Expansion Stretch Bangles

Vintage, 1980s era gas pipe, stretch bangle bracelet. Yellow gold or Silver plated. 1/2" wide. 8.75" around, unstretched. That is my 7" wrist in the pictures. There is a cartouche on the inside where a signature would normally appear. There is no signature on it. Listing is for all 4 Bracelets. Excellent Vintage Condition