Three fabulous tributes to sport of Thoroughbred Racing:
(1) 'Horse Racing' issued 05/04/1974 at Churchill Downs in Louisville KY. marking the 100th anniversary of the Kentucky Derby.  The stamp illustrates 'Round the Bend' scene.
(2) 'Thoroughbred Racing' -action packed tribute to the sport. &
(3) 'Secretariat' - also known as Big Red-American Triple Crown winner setting and still holding the fastest time in a 3 races and widely considered the greatest horse race of all time. 
The set comes with an attractive display mount.