Vintage WWII Military Field Trousers 34x30 Metal Buttons Cotton OD Distressed

Pre-loved men's WWII?? Military Field Trousers Size 34x30 on tag--see approximate measurements Shade of OD green Metal button fly Metal buttons around waist Vintage Grunge Distressed I believe these pants are from the WWII era, but I am not an expert Cotton Has faded/discolored areas--see pictures for examples Shows wear--see pictures foe examples Some of the metal buttons have rust--see pictures for examples Has small hole left pant leg--see pictures Measures approximately when laid flat: 17" across front waist, 29 1/2" inseam, & 41 1/2" out seam