Does not seem to be color/batch specific as we hear reports that cover the $200's at Staples and the variables at grocers. I am not convinced by the 'don't drain full amount' theory as I read reports elsewhere saying that also failed. I think the most likely explanation is post 24 above which points at an issue with Maestros handling of the transaction.
Be interesting to see if anyone gets problems in using one of these cards for organic spend
I have had no problem using for organic spend.