Shoulder straps of a Russian ordinary official in the naval (?) service

A pair of original shoulder straps in good collectible condition. Bike, cloth, silver braid, black edging on the edges. The size of each shoulder strap is 53*142 mm. Guarantee of authenticity. A military medical official (a military medical official, a doctor, a pharmacist, a pharmacist) is a category of military personnel of the Russian army, which was involved in the lack of appropriate personnel to fill the appropriate positions in the mobilized units of the troops and military medical institutions of wartime.