6th Dragoon Guards carabiners badge
Own work with elements from:

File:Escudo de la Real Sociedad de Tenis de La Magdalena (Santander).svg
File:Coat of Arms of the Spanish Army Infantry Forces Inspector's Office.svg
File:Coat of arms of the Staten Generaal.svg
Used this image as a reference.
Offnfopt with elements by Fry1989, HansenBCN and Heralder