Me too - I was around during the Great Nikon D200 Sensor Banding Wars, and the famous Battle Of The Canon 7D, and this isn't like any "sensor banding" they ever manifested. In fact, at 300% view (100 ISO again), it's definitely moire:to me its more like moire effect rather than sensor banding.
Moire is easily dealt with. And it's the price you pay for light anti-aliasing. A finely cross-hatched area of a lino-cut style print like this is just where you'd expect to see it.
We're seeing the same kind of false colour (to a far lesser extent) that's shown in the second image example on this page: