Bulgari, Carlo Luca della Quercia Illario (maker) Large flattened “Tubogas” necklace or double bracelet all in 18K gold signed: BULGARI, 750 (for 18K gold), Italian touchmark of a Star, no.2337, A1 (all in a rectangle), SB in a rectangle, 750, circle with a cross through it and a Q (Birmingham Assay and Import marks), original blue leather and suede signed presentation box, c.1970’s