SET OF 3 TIE PINS : - One in yellow gold, Mississippi... Lot 12

SET OF 3 TIE PINS : - One in yellow gold, Mississippi pearl and small ruby - Another one in pearl concretion and yellow gold - A last one in platinum, pink pearl (coral coral?) and diamond collar. Late 19th - early 20th century Weight of the set : 7,5 g (18k - 750, Pt - 950). A set of three 18k gold, platinum, pearl , coral (not tested) and ruby tie pins.