Hill Rod & Gun sold a J.A. Scotcher gun years ago. From their archives description:

"JA SCOTCHER, ST EDMUNDS, BLNE, 2 1/2", 30" choked Mod/Full. 14 5/8" well figured wood to horn butt plate. Action retains weak to moderate case colors and is of exceptional high quality being a Webley Screw grip with intercepting sears and disc set strikers. Engraving is fine and delicate. 6 1/2lbs. According to Boothroyds Directory only 9 Scotcher guns are known to exist."