So we have seen anomalies turn up before, like the "RT" which is uncataloged, but with the number we have seen and recorded, no doubt something different and something real.
Just sayin,
Why because there's a handful of them? No way, I'm with Jeff on this, just somebody having some fun at the factory. The guy that used up a bunch of old stocks one day would laugh his arse off now if he saw it was in a book and had a name.
Joe.