Czech Army M29 Combat Helmet German Type w/ Salt Shaker Vents Uprising 1945

Nice used rare piece of history, The Czech M29 helmet was produced in 2 styles; with a center air vent comb (French Adrian style) and with four punch through "salt shaker" air vents (German style). While both M29 versions were used by Police, Civil Defense and Fire, the first issue German style M29 had a more limited production. And in review of available Czech Militaria resources, it appears only the German style was used in combat, thus increasing the scarcity of these