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100 FIRST DAY COVER SLEEVES.

Perfect for display and storage of your FIRST DAY COVER COLLECTION.

These First Day Cover Sleeves are an acid free, archival quality product made of crystal clear polypropylene.

- Holds a #6 Envelope 
- Size 3-15/16" x 6-7/8"
- Crystal clear

Check out the 4 pictures to view this nice item. The 3rd pictures shows one crystal clear sleeve. 

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