Gucci authentic vintage shoes loafers

I received this as a gift from my dad, this thing is 100% original, unfortunately I don’t have the box or receipt, grailed put the authentication on this product, the size indicated is European 44, but in truth it’s us 11.5-12 will fit perfectly there are no flaws, the shoes are in excellent condition, expensive and premium materials, the outside is natural suede and the inside is natural premium leather, I am ready to listen to your suggestions within the limits of reason