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Invalid Certification Error when adding to Competetive Set

5 posts in this topic

I have a 2009 Netherlands Proof Gold 2 Ducat (#3367584-042) that had no problem going into my Collection Manager or into a Custom Set.


I am however having a hard time adding it to my Competitive Set.


It does not appear as an available coin for 2009 and when I try and add it manually I get an "Invalid Certification" error.


The Competitive Set is:



Gold 2 Ducats

1988-2010 Proof


This is one of the first 200 struck, is that negating it's inclusion for some strange reason?




Any help would be greatly appreciated.



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  • Administrator

Good Morning, HiHoAudio.

This coin will be ready for entry in the Registry after our weekly database update runs on Tuesday afternoon. I will check on it at that time and email you when it is ready. Thanks for your patience.


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