Bar pin with 3 old-cut diamonds totaling ca. 0.74 ct,

Needle with 3 old-eruorpean-cut diamonds totalling ca. 0.74 ct, ca. WHITE-TIN (H-M)/SI, 4 pearls and rose-cut diamonds, 18K yellow gold, face side platinum, 4.3 g, L: 5.5 cm, 1st half of 20th century, good condition.