Russia, Imperial. A St. Petersburg Polytechnic Institute Graduation Jetton in Gold & Silver, 1909 visually-hidden maker marked “Jörgum & Trefz

maker marked “Jörgum & Trefz

magnetic metal clip held in place by two rivets on the left end

Gold-coloured and silver bullion

The yellow bands on the arms of the cross distinguish this as a cross for a retired N

Russia, Imperial. A St. Petersburg Polytechnic Institute Graduation Jetton in Gold & Silver, 1909 visually-hidden maker marked “Jörgum & TrefzConstructed of Gold and silver, consisting of a rhomboid plaque, overlaid by a central raised IMperial Russian eagle clutching an orb and sceptre, topped by the monogram of Tsar Nicholas II and situated above the monogram of the St. Petersburg Polytechnic Institute, the twelve oclock point affixed with a crown topped by an integral loop retaining a Gold chain, the reverse engraved with Roman numerals LXXII, situated above CYrcillic initials , a date