Security envelope patterns come in different patterns. Usually, they are small and tightly packed, covering the whole interior of the envelope to obfuscate the contents. It was a pleasant surprise to receive this envelope security pattern of widely spaced polygons.
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| It's a tee shirt! |
This blue polygon pattern has been mirrored left-right and up-down. The tiny diamond in the center is the lower-right, lower-left, upper-right, and upper-left corner, respectively, of the pattern after the horizontal and vertical flipping.
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