Husband bought two coats on a high school trip to Europe. At the time, he spent half his traveling cash on them and loved them! He is cleaning out the closet and thinking of selling them. Wondering how to come up with an approximate value or selling price? One is a smooth brown leather full-length coat and the label says "Sir Mark of Oxford Street". The other is a dark brown suede jacket with a design around the chest: vertical strips of tan, green, paprika, rust, light blue, burgundy