Previous Premiere cards has the reverse full of text with the first line under the mag stripe starting with SLOT PLAY and a larger PG manufacturer's mark.

The new found Premiere card has less text on the back, basically with the first three lines about Slot and Table Play removed and the paragraph moved up. So the first line under the mag stripe now starts with "This card..." and the card has a smaller PG manufacturer's mark.

Here's scans of the two variations.....