GTA V Xbox One Digital Download + $1,250,000 in game. (Original price £63.99)
The only way i could get this price was to view the item 'Grand Theft Auto V & Great White Shark Cash Card' ON MY XBOX ONE through the store.
It doesn't appear to give you this price viewing through browser.
Other offers available:
GTAV & Whale Shark Card £28.29 (Originally £85.74, then £77.99)
GTAV & Megalodon Shark Card £39.51 (Originally £119.74, then £101.99)
Offer may not be available to everyone, i did have the game for 360 so may be a factor.
GTA V digital download along still £54.99