Vintage Sanders Brown Leather Handcrafted Cowboy Boots size 6??

Vintage Sanders Brown Leather Handcrafted Cowboy Boots. Unsure of the size 25s? If anyone that is familiar with these let me know size? I know European sizes. Refer to measurements for fit. Look like a 6 Heel height 2” Boot height 13” Width 3.5” Toe to heel 10”