Grading Canada Silver Dollar - PCGS vs. ICCS

Is it worthwhile to have Canada Silver Dollars graded by PCGS or only by ICCS?
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8 Reales Madness Collection
DPOTD-3
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CU #3245 B.N.A. #428
Don
They use a sealed mylar flip inside a soft (pvc) sealed outer which means you will not be able to photograph properly through the 2 flips once graded.
I free everything I buy ICCS/CCCS graded and save the grading label.
Latin American Collection