EL GRECO Vintage Hand Made Sheepskin Boots

Sheepskin boots from El Greco Era: 70s / 80s They say hand made on the inner tag Black strings wrap around the boots There are 3 sizes on them so I’ve included photos with measuring tape to try to help with sizing! Sizes noted on them are: size 7 (US?) on inner tag and 39 (EU?) and 5 1/2 (UK?) on bottom of boots They are in good overall condition - sheepskin could use a little cleaning and TLC