I was mooching around a magazine from 2005 (lol) and found an article that had a bunch of rubberstamp reviews.
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This one made me go "ooh" and they can create custom stamps for you (and they are really cheap too). What I liked best was the flip stamp set as it looked cool and would work great on cards and layouts. (**nudge** **nudge** **wink****wink** in Larry's direction)
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There were a few other websites but I haven't had the chance to peek but I'll list them here:
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Just thought I'd share. (ducking from flying shoes and piggy banks)
Kate