Keywords: Carlos Maria Isidro.jpg Carlos María Isidro retratado con banda Carlos Maria Isidro of Bourbon 1788-1855 the first Carlist pretender to the Spanish throne unknown author PD-Art Unknown painters Carlos María Isidro de Borbón 19th-century paintings Portrait paintings of men with moustaches Portrait paintings of men at bust length Sash of the Order of Charles III in portrait paintings |