Could it be this one? http://www.aeclectic.net/tarot/cards/love-mystery/
The Knight of Cups looks just like the one depicted on the back of the box.
It's gorgeous.
Actually the scans do not do it justice. The colour and detail make it well worth a look.Oh, dear. Those weren't the words that immediately sprung to my mind <grin>. Still, I suppose you have to defence it if you have a copy.