Tiffany & co. sterling silver cufflink for "American Pharoah" 2015 15.8g SS97

Tiffany & Co. sterling silver cufflinks for "American Pharaoh" 
It was engraved on the oval cufflinks' top, "The Belmont American Pharaoh, June 6, 2015."
It is in very nice, fine condition, with minimal signs of wear.
It measures 21.4 x 16.5mm
Weight 15.8 grams
Hallmark at the back with Tiffany & Co. 925
It comes with a Tiffany blue box