Tan Button-Up Shirt with Belt

Tan and brown 70s military-inspired button-up top with belted waist this super cute 70s safari/military inspired top kinda gives 00s to me?? just picture it with some capris, wedges, and a giant purse by Mindy Malone no label size, pit to pit laying flat is just under 18in. the waist straps make the shirt adjustable. at its widest, laying flat, it is 13.5in. at it's smallest the waist, laying flat, is just over 11.5in item is in great used condition eith no flaws or stains that I noticed. only signs of age I found were the fraying on the label