McVities Dark Chocolate Digestives 33% Extra Free, or is it?

2 Packets of McVities Digestives Dark Chocolate variety

Displayed are two packets of McVities Dark Chocolate Digestives bought recently in the Tollcross area of Edinburgh from large High Street Stores/Supermarkets.

Both packets are the same size 400g and cost exactly the same price.

Apart from the packaging, can you spot a difference?

The Best Before date on the one with the 33% Extra Free is the 5th November 2011 and the Best Before date on the VIP Club packet is 12 November 2011.