The older Sixes did not have the bill board writing on the barrels. My .38 Spl (pic posted above) has a clean barrel and dates to 1977. The 9mm is 1981. Has the round blast shield but also the bill board barrel. I don't know the exact date when the warning on the barrel was introduced.I really like the 6 series of guns. They seem to have very good proportions
. I'm not a huge fan of all the writing on the barrel. How hard is it to remove?
I picked mine up in the mid 80's at a pawn shop for $160.00. I had about 20 guns at the time and eventually wound up selling all but 3 as the result of a nasty divorce. A Beretta 92SB, a S&W 629 .44 mag and my Speed-Six .357. This Speed-Six has been my nightstand and camping gun for more than 30 years and still is. I recently began collecting firearms again and have accumulated quite a few, but my Speed-Six is still my "go to" and feels like an old friend who never lets you down. If I had to chose just one gun, this would easily be my choice.