.22 LR cal., frame marked "Schall & Co. New Haven, Conn. USA", 10 round mag., manual repeating action, 4 1/2 or 7 1/2 in. fixed tapered barrel with fixed sights and blue finish, ribbed vertical striation walnut grips, Schalls appear to fall at the end of the serial number range for Fialas/Schalls between ser. no. 5567 and 7398 with those between 5638 and 5794 having no rolls with markings.