Hello, iam new here and wanted to ask about this helmet I got from my grandpa who serve in Kyōdo Bōei Giyūgun (Indonesian homeland guard serve as Auxiliary troops to the Japanese). He said that he got this helmet from raiding Dutch's armory but I can't really belive him as old people (at least from my country) from that era known for exaggerating their story Because of it I just assume that it was some kind of M1 helmet (thats why the American flag)
My concern is that Id cannot find any picture of Dutch soldier wearing this kind of Helmet during WW2.
BonBon M1 Helmet was also used by the Dutch Army, in Indonesia. Here some pictures. Dutch Commandos in Indonesia Patrol in Indonesia M1 In the Dutch Army