Grenson Oxford 

Features brown distressed leather with half-wing brogue. Leather lined. Half-soled with non-slip rubber. Heel guards. In excellent condition with some minor signs of wear. Minor heel wear at edges prior to heel guards. One scuff area on inside of right shoe near toe but doesn’t stand out (last pic). Made in England. Marked size 11 F. True to size 11.5 M US.