Vintage? Rare? Unisex Tripp Floor Length Skirt in Excellent Condition

Excellent condition. The only real sign of wear is the how black the black. I am assuming it was midnight black when new. No real wear on hemline, where I would expect it. Metal Hardware including Eyelets, D-Rings, & Chains. 2 hand pockets. 2 roomy "cargo" pockets. 2 back pockets. Adjustable waist cinching system and front drawstring. Zip Fly + Button Close. Zippered Back: Zip Up/Down for a Change in Fit and Style. Zippered Sides: Zip Up/Down for a Change in Fit and Style. Branded hardware: Button, zippers and D-Rings. 100% Cotton. Please refer to brand's sizing as this is a unisex garment. Waste measurement is without the d-rings being engaged at all, laying flat, side to side. 16". Photos included.