Are the epaulets / epaulettes in the attached image a pair, I'm pretty sure not but I'd rather know for sure.
Similar To:
Pair of Spanish Brass Epaulettes. Early 20th century. Each applied with a royal crown above entwined initials of Alfonso XIII, King of Spain (r. 1896-1931), the reverse stamped Lucas Saenz, Madrid on red felt backing.
http://fineart.ha.com/c/item.zx?saleNo=5003&lotIdNo=6131 (http://www.icollector.com/item.aspx?i=7973509)
http://en.todocoleccion.net/original-epaulettes-king-of-spain-alfonso-xiii-age-quartermaster-official-corps~x31382448
http://www.intariamilitaria.com/CatMar11.htm