Russia, Imperial. A Badge of the Army Higher Engineering and Technical School Archive while the reverse also bears

while the reverse also bears images of various badges

it sort of reminded me of the black hole of Calcutta

at the centre of a silver Maltese cross with arms bordered in white enamel

copies of his Index Card (confirming his awarding of the British War Medal and the Victory Medal) and the Roll of Individuals entitled to the Victory Medal and the British War Medal

the other pair without stampings

Russia, Imperial. A Badge of the Army Higher Engineering and Technical School Archive while the reverse also bearsConstructed of a silver alloy, the obverse consisting of an oval laurel and oak leaf wreath, joined together at the bottom by a ribbon defaced by initials ( ), surrounding a cluster of lightning bolts pierced by a crossed shovel and pickaxe, situated above an anchor, topped by a flaming grenade, and overlaid by a double headed Russian imperial eagle, the reverse with a central threaded screwpost retraining an original backplate, unmarked, measuring