US NAM ERA PLAIN SHEET OF 3′ 8″ X 6′ 0″ OG POLY VINYL MATERIAL, FOUND IN A NAM VET’S LOT, PROBABLY USED AS A GROUND SHEET OR COVER?

US WWII M1 STEEL “UNDENTED” HELMET SHELL WITH FIXED BALES, HELMET HAS 60/70% ORIGINAL RUFF TEXTURED COMBAT FINISH, IT’S C/W ORIGINAL KHAKI C/S SHOWING JUST MINIMAL WEAR BUT ONE STRAP HAS A 1/4″ TEAR NEAR THE BUCKLE, NO LINER, OTHERWISE IT’S TIGHT AND IN VG CONDITION