Sometimes you should trust a back label and sometimes not

... but the desire to taste two new grape varieties over took commonsense.  Mavrodaphne and Korinthiaki are indigenous to the Patras region of Greece. They've been blended to create a sweet 15% a/v red. Presumably it has had some fortification [not mentioned on the label] although it obviously doesn't have the intensity of a port Colour is murky at best, a far cry from the promised "deep mahogany, bright with crimson lights"
It's not a bad wine - in fact it could go quite well with less sweet desserts. My main complaint is that I still have idea what those two grapes taste like.
And I think the packaging is outstanding.
Nyx Mavropdaphne of Patras
3/5 rating from me 
£5.89 from Asda