THIS AUSTRALIAN MADE EXAMPLE HAS A SLIGHTLY DIFFERENT STRAP CONFIGURATION. UNSURE OF SIZE MEASUREMENT, BUT SIZE IS VERY SMALL, DOESN'T FIT MY MANNEQUIN HEAD WHICH MOST OTHERS DO. HELMET HAS SEEN A LOT OF ACTION, WELL USED EXAMPLE, LEATHER OUTER NOT THE MOST SUPPLE, STAINING TO LINER FROM USE, IN PLACES LEATHER LINER HAS GONE BRITTLE AND BROKEN AWAY (SEE PHOTOS), EAR ZIPS MISSING PULL TABS AND HAVE GREEN VERDEGRIS, EAR CUPS FILLED WITH OLD COTTON WOOL, BUCKLES RUSTY IN PLACES. SEE MY OTHER ITEMS FOR MORE MILITARIA.