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Message:: [QUOTE="Leadfoot, post: 1027464, member: 2972"]I know what you mean -- your eyes can play tricks on you -- but you can "fix" it... The first thing when you look at a photo, try and figure out which way the coin was lit.  For instance, in Kanga's avatar picture above, it is clear that the coin was lit from above.  Once you figure this out, you can look at virtually any detail on a coin same plane as the light) and tell whether it is incuse or excuse.   For instance, using Kanga's avatar again as an example, an excuse feature from 3 to 9 o'clock on the coin would be "light on the top" and "dark on the bottom".  Conversely, an incuse feature at the same position on the coin would look "dark on the top" and "light on the bottom".  You can think of this as how a valley (incuse) and a mountain (excuse) are seen in the morning and evening hours when the light relatively is low in the sky. The challenge with this technique, you might guess, is if there are multiple lights (particularly 180 degrees opposed), or if some type of axial (or near axial) lighting is used.  Otherwise, you can use image context cues to figure out what's really going on in a photo (for instance distinguish between excuse die polishing and incuse hairlines) Hope this helps...Mike[/QUOTE]