The condition of the helmet is on the photos - see all photos carefully. It has the original parts of paint, liner and there are 2 stamps: NS64 and DN89. Vereinigte Deutsche Nickelwerke AG, Schwerte. Dimensions: 285 / 230 /160 mm - 11.2/9/6.3 in. Diameter - 650mm / 25.4 in.
Weight is 1.300kg / 2.86 lb. If you need more pictures, ask!