Scarce 15 Bore (.677) Spanish Miquelet-Lock Sporting gun by Guisasola, probably Antonio, 1770, With two-stage barrel retained by a single slender pierced iron band, fitted with a gold “Splder" front sight enclosed by gold scrolls, chiselled girdle decorated with foliage and gilt scrolls, octagonal breech stamped with a series of gold-lined decorative marks and the gold-lined Punzon of Domingo de Clabe and a further Punzon including a dog and a hound (unclear), inlaid with a gold line vent, the breech fitted with molded silver rear sight on a saddle, engraved tang decorated with scrolling foliage, scroll-engraved beveled Miquelet lock stamped with the gold-lined Punzon of “Guisola" and with engraved lock and bridle. Figured half-stock (reduced from full stock), carved with scrolling foliage about the ramrod aperture and the tang. “Catalan" style butt, engraved iron mounts comprising open work. Side-plate decorated with foliage, trigger guard with Punzon en suite with the lock, and butt plate with foliate terminal, and horn tipped ramrod (37.6"), and 37⅝" barrel. Provenance Spanish Firearms expert Dr. James D. Lavin. Antonio Guisasola is recorded in Eibar as a barrelmaker. His name is on a fowling piece made in 1796 that was presented to Carlos IV, now preserved in the Metropolitan Museum of Art (acc, no. 16.135). This is a very high quality and unusual Spanish Miquelet-Lock gun.