Depending on the shoe and manufacturer, I have size 47-48. Here the 47.5 fits wonderfully. 1 star deduction because I can't get in without a shoehorn.
Merrell Men's World Vue Black Loafers & Slip-Ons
48 Review
Ultimate Comfort and Style: Minnetonka Men's Sole Moccasin Taupe
46 Review
Men's Merrell Jungle Waterproof Slip-On Loafers in Gunsmoke - Shoes for Superior Comfort and Style
47 Review
Dansko Wynn Slip Black 8 5 9 Men's Shoes
55 Review