Hugo Grün a.o.: Two rings of 14k gold set with a synthetic sapphire and an onyx. Sizes 50 and 52. (2)

Hugo Grün a.o.: Two rings of 14k gold, respectively set with an oval cut synthetic purple sapphire and a polished onyx. Total weight 6.3 g. Front approx. 10.5 x 13.5 mm and 14 x 22 mm. Sizes 50 and 52. (2)
Onyx appears with minor chips.