on Aug 19, 2016
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About 2 inches X 2 7/8 inches
Brass clip with spring made by the Etching Co
1. Heavier than 3.5 oz
2. Width greater than 6-1/8 inches
3. Length greater than 11-1/2 inches
4. Thickness greater than 1/4 inch
Thickness greater than 3/4 inch, even when not rigid, also disqualifies an envelope as a flat
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