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2021 Barns Postcard Stamps: Self-Adhesive Sheet for Domestic Postcards -
2021 Mid-Atlantic Lighthouses Forever Stamps: Self-Adhesive Sheet for First-Class Mail -
2021 Colorado Hairstreak Stamps: Self-Adhesive Sheet for Nonmachinable Letters -
2021 Love Forever Stamps: Self-Adhesive Sheets for First-Class Mail -
2021 Happy Birthday Forever Stamps: Self-Adhesive Sheet for First-Class Mail -
2021 Espresso Drinks Forever Stamps: Self-Adhesive Booklet for First-Class Mail -
2021 Garden Beauty Forever Stamps: Self-Adhesive Booklets for First-Class Mail
