Womens Black Leather Boots by Baker size

These are Womens Black Leather Boots by Baker size 55B label inside boot reads Size 55B Dept 115 Color Black Style 420 Name Vintage Boots are in excellent condition with no blemishes Side Zipper 4" Heel I couldn't find a conversion for size 55B. The boots measure 9.5 on the outside sole. The width is across the bottom of the boot at the widest point 3" Smoke Free Home