The vast majority are not graded.
The rare cards from the series are not improved, value-wise, by grading, given the preponderance of advanced Zeenut collectors to keep their examples raw.
I've purchased a few Zee's myself, and many of them have come to me graded. I'm thinking about cracking out all those that are less than VG, as the plastic is heavy and annoying. The mid-grade examples I can't justify breaking out. But then again, mid-grade in Zeenut is like minty fresh in most other pre-war issues
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