This auction just closed less than 24 hours ago, George's first Rickenbacker, a 425 model, which he bought during a visit to the US in Sept. 1963 to see his sister just sold for 605,000 US at a music auction held by Julien's in NYC.
This is pretty significant because not many true Beatles guitars - meaning ones that they actually played or were seen playing - have come up as the important ones are either owned by the families/estates, have been stolen and never recovered (Paul's original Hofner bass), or have been destroyed (George's 'Ed Sullivan' model Gretsch Country Gent)...
Here is the link to the actual auction with photos and history, click here:
http://www.julienslive.com/view-auctions/catalog/id/124/lot/54425/?url=%2Fview-auctions%2Fcatalog%2Fid%2F124%2F%3Fpage%3D1%26sort%3D5%26dir%3D1Here is the actual guitar:
And here is probably the most famous appearance of the guitar, George and the group on Ready Steady Go:
Other items: A Hofner bass McCartney rented from a shop to play on stage went for 125,000 US, and a first state Yesterday And Today "Butcher Cover" that had been given to a mailroom worker at Capitol by the driver who brought a load of the rejects from the pressing plant sold for $31,250