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Nice design however I would suggest some changes.
CONSISTENCY: One side has the WWW and the other side does not.
I also suggest you drop the P as it absolutely serves no purpose as you do not have a fax number to confuse.
After Box # 808 - you have a hyphen. Between Cedarhurst and AB - you have a comma. You should change the hyphen to a comma to be consistent.
The spacing between AB and the postal code should be 1.5 spaces according to the Chicago Manual of Style.
On one side you have everything centred. On the other side you have the Trevor left justified. Keep it consistent and make everything centred.
FONTS I would try some different fonts and keep the sizes consistent - it looks like you have a bunch of different sizes all over - there should be 2 sizes - one for the small text and one for the larger text.
SEPARATION The side of the card that looks like it is divided in half (the side with the huge Red 'R') - it's not exactly half - so it looks like a mistake. I suggest that you divide the card to either exactly half or better yet - divide it at 1 to 1.618 (the Golden Ratio) - you can do that for both sides to create consistency.

Awesome feedback Yitz! I will definitely implement. Thanks again!