Built with blued Winchester Proof Steel barrels featuring a single bead sight on the matted concave solid rib which is marked "CUSTOM BUILT BY WINCHESTER FOR J. M. MORTON", standard markings, chokes marked "IMP-CYL"/"MOD", jewelled flats, and 3 inch chambers with automatic ejectors. The barrels are fitted to a blued boxlock action which displays Winchester's classic Custom Grade engraving consisting of attractive scrollwork on all sides which extends to the toplever, triggerguard, and both tangs. The gun features a single selective gold trigger and a tang mounted non-automatic safety with gold inlaid "SAFE" indicator. The gun is mounted with a beautifully figured and multi-point checkered beavertail forend with engraved fittings, rotary latch, and an ebony tip inlay as well as a straight grip stock with a blank gold inscription oval and a checkered bare butt. Included is a copy of the order sheet which confirms the current gauge, grade, barrel length, and chokes as well as a copy Cody letter which lists the order date as January 10, 1972, and a completion date of February 2, 1972, making it one of just 268 Model 21s completed with this engraving pattern between 1969 and 1982. Also included is a Winchester branded wood and leather takedown case and snap caps. Barrel and stock measurements (R/L): bore diameter nine inches from the breech .614/.614 inches; choke constriction .006/.015 inches; minimum wall thickness .028/.027 inches; 1 3/8 inch drop at comb; 2 1/8 inch drop at heel; 14 1/8 inch length of pull; weight 6 lbs. 11 oz.