Poland, Republic. Two Polish Army/Navy Sapper Collar Badges Auction Archive flanked on each side by

flanked on each side by a ventilation hole with a brown-painted metal reinforcement

and depicts light wear around the edges where the glossy finish has worn off due to age

scattered chipping on the obverse centrepiece ring and on the flags on the reverse centrepiece

bearing a central motif of a U-Boat travelling left

with extensive bubbling on the reverse

Poland, Republic. Two Polish Army/Navy Sapper Collar Badges Auction Archive flanked on each side byIn silvered metal, measuring 17. 5 mm (w) x 23. 8 mm (h) each, maker marked "MENNICA PANSTWOWA" and "ELEKTRO POZNAN" on their respective screwbacks, near extremely fine.