Mano blahnik BB pump red suade size 39 1/2

This is a stunning and classic red suade pump by Manolo Blahnik. I bought at Neimans at the height of Christmas season as I was desperate for red pumps but they are 1/2 size too small. I wore them only once to a small Christmas party and that's it. I really love them and if they were size 40 I would never sell them. I hope they find a good home. Heel is 105 or a 4 inch .