e90-2 vs e104-2

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Posted By: robert a

Hi Leon and Matthew,

I guess the main reason why these blanked-backed cards are considered
e104-2 rather than e90-2 is because their e104-1 and e104-3 counterparts also can be found with blank backs.

All three issues (e104s) are really a fun puzzle to me that I like to think about.
But, it seems that, like so many other issues, there could've been a pool of cards produced first by nadja and then other companies used the same fronts to promote their product. Not sure, why they didn't put their name on the back, but maybe they were trying to cut corners. Either way, blank backs might be non-nadja. Who knows?


robert