The Doctor Who Tenth Anniversary Special Reprint
Comparison shot of the Martian Ambassador (see comments below)
Comments
Pages 28 and 29 illustrating the use of composite images in the reprint edition (top) recreating images used in the original (bottom) that are now lost.
Some images were too dark or too small to re-scan and where reasonable alternatives were unavailable it was necessary, as a last resort, to create composite images (made up from a number of similar photos) that came as close to the original as possible.
The Martian Ambassador with arm outstretched, on page 28 (above), is a composite made from 3 separate photos from the same photo session.
The image closest to the original had the left arm outstretched, so that was 'flipped' and blended into another photo with the pose of the body being closer to the originally-used image. Finally, the reflections in the visor were inserted from a third image. The final composite gives a picture that is very similar to the original pose (although it is taken from a slightly lower angle).
Another example is The Master standing outside the TARDIS also on page 28, as is the picture of Michaels on the same page.