I want a set of these

Stumbled upon this pretty thing at the Met website. Oh, how I would fancy a pair of these.

Rowel Spur, ca. 1400
French or Spanish (Catalonia)
Copper, gold, enamel; L. 7 1/4 in. (18.42 cm)
Gift of William H. Riggs, 1913 (14.25.1737)