Quoted:
One mag has 6P199 stamped in the side
and on the floor plate, along with 04/00
stamped in the side.
The other has the stamping on the floor
plate but the only other marking is
62667 stamped in the side.
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The 2nd mag is one of the first production 30-rounders, made around '67. The "62667" is a Colt part number, not a CAGE code as is normally found on later mags. The follower should be dark green with white numbers on it. If it's in good condition, it has some (mild) collector value.
The Center mag is obviously post-ban, and restricted. IF you were found with it, it would likely be confiscated. A prosecution of any sort is unlikely, but certainly possible if you happen to have a hard-core anti with a major agenda against guns involved (DA/ADA, judge, etc.). Of course, in about 16 months, the ban is going to sunset, and from the looks of things today, nothing is going to replace it. Some might suggest finding a nice safe place for that mag until 9/13/2004...
-Troy