Yes I have . . . and Double Wow. I have had a party today looking up everything I own with a serial number. Found one of my other Merrill's within one serial number to the 2nd KY Cav. My Cosmopolitian Carbine was with the . . . . Etc.
What fun! Thanks! - Gene
P.S. The irony is that I DIDN'T find the unit for my new Merrill. (11th MO is also a possibility)