I came across this sometime ago..I think these were probably printed to take the pressure off of autograph requests.... (very similar to the Bubble gum cards) I found another exact (and I mean exact ) item sold on an South African auction website which sold for £800.

http://www.ebay.co.uk/itm/260985514317?ssPageName=STRK:MEWAX:IT&...

http://www.dmbeatles.com/forums/index.php?topic=12052.0