I have a very unusual Colt Commander LW in 38 super. It is nickel plated with aftermarket grips showing a chesspiece knight. The serial number is 242-LW. Left side of slide has marks: Colt MFG.CO Hartford CT.USA Right side of slide has marks:Commander Model Colt Super.38 Automatic w/ Colt Logo. Barrel is Stainless and is marked Colt super 38 auto. Magazine has a SS bottom plate marked Colt Super 38 Auto. What is puzzling is the low serial number and the fact that the pistol has a spur hammer rather than the rounded hammer with hole found on most colt commanders. Can anyone provide more information on this 1911 style firearm?