Czechoslovakia, First Republic. A German-Manufactured Czechoslovak M31 Steel Helmet certificate_of_authenticity obverse depicts a Stahlhelm (Steel

obverse depicts a Stahlhelm (Steel Helmet) on top of crossed swords on a pebbled field within laurel branch wreath

By the Spring of 1917

and bear the surname of Harcourt only

" That same year

measuring 33 mm (w) x 59

Czechoslovakia, First Republic. A German-Manufactured Czechoslovak M31 Steel Helmet certificate_of_authenticity obverse depicts a Stahlhelm (SteelA unique and well preserved German manufactured Czechoslovak M31 steel helmet, constructed of a magnetic molybdenum steel and retaining most of an original olive drab painted finish. Dual sets of seven ventilation holes are drilled into the helmet at each side. Four additional magnetic metal rivets are fastened evenly across the circumference to secure in place the interior features. Painted onto the peak of the helmet is a mostly intact Czechoslovak