Vintage Landlubber Button‎ Down Denim Skirt With Tie

This is a vintage denim skirt made by the brand Hippie in the 1970s. It is a regular size and has a button-down front with a tie. The skirt is blue and made of denim material. It has a hippy look and was made in the United States. The brand Landlubber is mentioned in the title, indicating that it may be a collaboration or a specific style within the Hippie brand. Tag says 13 but unsure if that is size or control number. See measurements. Small mark on back of skirt pictured