Vintage 9Ct Gold 54.9g Twisted Trombone Watch Chain Style Necklace 25 1/2''

Vintage 9 carat yellow gold (bright yellow colour) watch chain style/ necklace with twisted trombone links and T-bar and dog clip.
The chain has Birmingham hallmark for 9 carat gold and the date letter for 1978. The T-bar is unmarked but has been tested for 9 carat gold. The chain is approx 25 1/2'' or 64cm in length( from the end of the dog clip to the end of the round ring).

The weight is 54.9grams.
The links are approx. 5.4mm or 1/4'' wide. The coin shown is just for photo.

Condition : is in very good used condition.
Ref.number 18/51