Nicholas Kirkwood black knee high riding boots with gold heel accent

These riding boots have a stacked wooden heel and an almond toe box, European size 39.5. There are gold accents at the inner zip and at the heel. The shaft is 16.5” high (measured from heel) and the calf circumference is about 14.5 at the widest point and there is no stretch. They are lightly used and in good condition. I’m not sure what the original price was probably around $600-1000.