![Horse Racing 1974 Stamp](https://4v84ee.p3cdn1.secureserver.net/wp-content/uploads/2020/05/USA-1528-300x201.jpg)
Horse Racing 1974 Stamp: 100th Anniversary Kentucky Derby
The Horse Racing 1974 stamp commemorated the 100th Anniversary of the Kentucky Derby. If you are doing a double-take on dates, you are correct, usually, it is the first Saturday in May; however, this year will be the 146th Kentucky Derby and it is