I think Galen may be referring to the fact that there is a marble that is along the same lines as the paperweight. For example, here is picture of bird cage marble and paperweight. Don't know about the Firebush, however.
Neat bag. The Gladding Vitro bags were between 1969 and 1982 when G-V was in business. The shooter hybrid cage style cat's-eyes are probably worth more than the bag.