Vintage 1970s black leather knee high zip up heeled It Girl boots

Vintage 1970s black leather knee high zip up heeled It Girl boots by Nina. Features black leather uppers, rounded toe, knee high rise, full length zip at inner side, elastic panel at top of shaft, red satin lining, flat tops, and sleek column heel. Excellent vintage condition. Made in Spain. Heel to toe (inside shoe): 9.625 inches Ball of foot (bottom of sole): 2.875 inches Heel height: 4.5 inches Shaft height: 16 inches Circumference: 12.75 inches Size: 7