So after several years and a lot of back and forth I will now post the accepted versions here. They will each have a brief description where needed and if you would like more in depth looks please use the links below. They are as follows :

Base
Retro
Retro Rainbow
Retro Blank Back

Gold (Rainbow effect) : The O-PEE-CHEE logo on card front is in a black and white format. There are two distinct stock variations, some cards the rainbow effect looks rough or bumpy, and some look smooth. Cards have white backs.

Metal (No Rainbow effect) : Silver or Chrome High Gloss finish with a slight emboss of the player. The O-PEE-CHEE logo on card front is in a chrome and black format. Cards have white backs.

Metal X (Rainbow effect) : They look just like Metal version except with the rainbow effect, some cards also have the X or tire tread pattern variance as well. Cards have white backs.