| 
 
			
			It could be the last three digits of a serial number, or, it is an assembly number. Often, individual components of a gun are numbered to keep them all together during the manufacturing process, prior to the application of the actual serial number. I don't recall seeing any 'assembly numbers' on the parts of any of my Parkers, though.
		 
				__________________GMC(SW)-USN, Retired
 'Earnest Will'
 'Desert Shield'
 'Desert Storm'
 'Southern Watch'
 |