I think it depends on the setting of your monitor, on one monitor (movie mode) it is heavy with red/orange. On the monitor that is setup for documents, there is only a few reddish spots.
In hand the coin is dark, light grey and some reddish spots. I never noticed the difference in monitors until I moved the window over. It is interesting to see how much of difference makes. Photo was taken with a 40mm Micro lens, no filter. Lighting is a single halogen bulb, diffused through through plastic