It bears the name of the 22nd Count from Teba: Carlos Alfonso de Mitjans y Fitz-James Stuart who was known as the best shot from Europe. It was offered to him as a gift from the king Alphonse XIII, crafted in London and perfected by a tailor in Zarautz in the Spanish Basque Country.
It’s an unstructured jacket without shoulder pads or canvassing which gives a soft shoulder. The sleeves are just like on a shirt, with buttoned cuffs. It’s remarkably simple to make.