664 - Origin unknown; a set of two firefighter helmets to be identified. Helmets from Western Europe, possibly from Germany, Belgium, Switzerland, or another country. A helmet from the 1930s or 1940s, made of black patent leather, with a brass-reinforced crest and a coat-of-arms plaque bearing the motto “Honor,” likely a decorative addition. Wolf-tooth liner and broken chin strap. An aluminum helmet with a nickel silver crest. Front plate bearing the letters “LB,” wolf-tooth liner, and shock-absorbing pad. Chin strap present but broken. Signs of wear and patina. Unknown origins, pair of unidentified firefighter helmets. Western European helmets, possibly from Germany, Belgium, Switzerland, or elsewhere. One 1930s or 1940s helmet in black patent leather, with a brass-reinforced crest and a heraldic plate bearing the motto “Honor,” likely a fanciful addition. Wolf’s-tooth leather liner and broken chinstrap. One aluminum helmet with a nickel-silver crest. Front insignia with the letters “LB,” wolf’s-tooth liner, and impact pad. Chinstrap present but broken. Wear from use and patina.