Distinguishing b/w 2001 Cramer's Choice regular and styrene?

[ffgameman]

How can one tell the difference between a regular 2001 Pacific Cramer's Choice and the "styrene" parallel? Beckett notes that the styrene gives off a rainbow-like appearance in the light.

I have Cal Ripken from the set, and it does give off a "refractor" like shine in the light. However, I have always thought it was the regular Cramer's Choice.

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[ffgameman]

Double post....meant to edit.

How can one tell the difference between a regular 2001 Pacific Cramer's Choice and the "styrene" parallel? Beckett notes that the styrene gives off a rainbow-like appearance in the light.

I have Cal Ripken from the set, and it does give off a "refractor" like shine in the light. However, I have always thought it was the regular Cramer's Choice.

Scanner image:

Edit: From the scan it looks like the regular card. However, when I move it in light it does give off a rainbow-ish look. Do the regular Cramer's shows this also, or is it only with the styrene parallels?