One of my favourite threads, as I collect horses of all types. Here is a cover from Ukraine, and some of my favourite ones featuring the "Brown Ribbon" annual race in Germany, in the 1940s. There was usually a special stamp and postmark for each year. Then there two stamps of champion Australian racehorse Winx, winner of 33 races straight, including the top tier of 25 Group Ones.
Starting to convert my Bhutan stamps into a collection,I came across a sheetlet,showing horses: issued Nov.16th,1999 (part I of 3)
Here is the Australian Black Caviar, unbeaten in all 25 starts, including 15 Group One wins, and the Goodwood Stakes in England in 2012.