Shoes, size 37

I'm selling shoes. 1. Leather cowboy boots (bought in Ukraine), in very good condition, worn twice. Size 37. 25 euros. 2. H&M boots, size 37. In reality, size 36. New. Never worn. I guessed the size wrong. 20 euros. 3. Hiking sneakers. Size 37. New. Never worn. 15 euros.