I have found an older Colt Trooper .22(4-inch barrel)and this .22 is NIB and it has a serial number of #770xx? The problem is that this trooper has the first design fully checkered grips(Like on the very first Colt Pythons)and, the original outer shipping carton shipped from Colt's, has a legible postage sticker on it, that shows the shipping date to have been in 1959! However, the Proofhouse serial numbers don't jive with this Trooper .22 being made in the 1950's? My question here is, when was this revolver made based upon it's serial number? And lastly, were the serial number ranges different for these fairly rare early Trooper .22's? Note: This is NOT an Trooper Mark III .22!!! Please help me solve this riddle? Thanks!
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