As per a new update posted on the Official Pix site:

We are happy to announce the addition of R2-D2 operator Don Bies signed photos to our store. Very limited and the third in a series of crew and behind-the-scene autographs from OfficialPix! Click here to get yours today!

Bies-01
Don Bies R2-D2 Operator.
Signed at Fan Days III October 2009.
Round sticker, not shield attached.
Price: $24.99