British WWI Rimless Brodies Helmet with First Pattern Liner & Chinstrap

Very early production rimless Brodies helmet has 60% early (and only) apple green painted finish.  Interior has worn but intact brown leather chinstrap with buckle adjustment, and a complete first pattern Brodies liner.  These early, true first pattern Brodies helmets are rarely available on the market, and are one of the true collectors' 'holy grail' pieces of First World War headgear.  $1000-$1500