It's not hard to do when one is focused on the product and not the image. Whilst at the helm of a small little magazine I had occasion to scan and print a picture of (If I recall correctly) Jindivik. On final proofing I knew there was something bothering me about the page, and stared at it for some time before the panny dropped. One of those Damned Southern Hemisphere Continental American only models. Never would have lived that one down.