Matched Pair of AYA Model 53 Sidelock Side X Side Shotguns, case hardened, walnut stock(2 Shotguns). Serial #430269 & #430270. Both 12 Gauge with 25" barrel. Both are quail guns by design with Cylinder and Improved Cylinder chokes. Prior owner was renowned Spanish hunter and author Jesus Ramirez Sanchez who grew up in Santa Cruz de Mudela, Ciudad Real, and spent this youth hunting around his grandfathers cortijo. Both stocks have Mr. Sanchez inlaid monogramed JRS markings. He has spent his whole life hunting and leading driven hunts. The Pena del Botas circle of friends from Santa Crus shared many of those days with him. In late 2025 he published "Experiences, Adventures, and Yearnings of an Old Hunter. Includes Fine Leather Takedown case included. A) Aguirre y Aranzabal Model 53 Double Barrel Shotgun, Number 1 Manufactured in Spain. This handsome matched pair of shotguns feature single steel bead sights on the raised matte rib and standard maker's marks on the barrels. The barrels are marked "AYA" in gold inlay and a numbered "1" and "2" respectively. The 7 pin side lock actions features full coverage ribbon and floral scroll engraving with hand removable side plates, gold highlighted cocking indicators, and the Aguire Y Aranzabal name on the under side within a banner. Fitted with dual triggers and a manual tang mounted thumb safeties. Mounted on multi-point checkered splinter forearms, each numbered to their respective barrels, and checkered straight grip stocks with gold initial ovals marked "J.R.S." and solid rubber recoil pads. The set includes a leather bound takedown case. The barrel and stock dimensions for gun "A" are: 3 inch chambers; cylinder/improved cylinder chokes; bore diameter at 9 inches from breech .733/.729 inch; wall thickness at 9 inches from breech .0485/.0505 inch; drop at comb 1/ 1/2 inches; drop at heel 2 1/2 inches; length of pull 15 1/4 inches; overall weight 6 Lbs. 10 Oz. Condition A Excellent 95% original finish remains with some small handling marks overall, a trace of light edge wear on the muzzle, and scratches from the trigger guard to the lower tang. The wood is very good with crisp checkering, small impressions mostly on the buttstock, and visible wear on the added recoil pad. Mechanically excellent. The case is fine with handling and storage marks, light scuffs on the exterior, and some cracking on the straps. Details B)Aguirre y Aranzabal Model 53 Double Barrel Shotgun Number 2 As described in "A" with 3 inch chambers, and cylinder/improved cylinder chokes. The barrel and stock measurements are: bore diameter at 9 inches from breech .729/.729 inch; wall thickness at 9 inches from breech .051/.051 inch; drop at comb 1 5/8 inches; drop at heel 2 1/2 inches; length of pull 15 1/2 inches; overall weight 6 Lbs 11 Oz. Condition B Excellent. 99% original finish remains with some light handling marks overall and slight traces of edge wear around the muzzle. The wood is very good with crisp checkering, a 1 5/8 inch sliver absent from the right side of the forearm, worn, slightly ill fitting added recoil pad, small impressions, and some dark discoloration on the buttstock. Mechanically excellent.