This may have been discussed before but does the code in the box at the top of the player's bat yield any information? Even if it does, I can not see the whole code on my unopened pack. The back is similar to the OP's pack.
img20240425_14393671.jpg
Here is a more recent sale on ebay for a 1970 pack.
https://www.ebay.com/itm/26668512668...Bk9SR_yUo-niYw
Mike