Here are some color swatches at 300 DPI for 4"x4" coasters and square business cards. If anyone else is interested, moo.com has incredible deals and material options for traditional and unique business cards. I've been using them for years. Plus, they know what they are doing. There is no substitute for experience.
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and my least favorite, but sometimes you have to deal with corporate assholes to pay the bills ->
and my favorite... letterhead for newsletters and formal shit ->
