Originally Posted by
merziac
Well then, I got nuthin, hopefully greater minds will come along.

I don't need a great mind. Because my walnut sized brain and old eyes are at fault. Thanks for the Hillary Stone link. The 63s are also stamped Campione del Mondo. So, with a 7x jeweler's loupe, the clear 66-38 stamp was actually a poor 63-38 stamp. I can sleep, now.