Beautiful vintage riding boots

Made in Exressly for Miller's of New York leather riding boots. Boot measures 20 inches from heel to top of boot. From top of foot to tip of boot is 15 inches. The top of the boot is 4 inches across and 5 inches in length. The bottom of the boot is 12 inches from heel to tip of toe. Heel is 1 inch These were in storage and they weren't stored with anything to keep form. See pictures of one with something in shaft and picture of one without As these are leather they can be stretched back to shape. I've tried doing research and these new would have $500 at the least. if you ride equestrian you will know they are high quality. The information under the makers mark is X4 51/817 M60 / E10 1/2 355 61 009 (last 3 were hard to read) if you would like anymore information let me know I think these are a size 13-13 1/2 but I'm not certain