An early 20th century Russian 56 zolotnik yellow metal, four stone blue cabochon and rose cut

An early 20th century Russian 56 zolotnik yellow metal, four stone blue cabochon and rose cut diamond set propelling pencil holder, maker's mark, HW? overall 79mm, gross 18.7 grams, hung from a 9ct gold key ring, 3.8 grams, together with part of a yellow metal fob seal, 5.7 grams.