I just got this in my main email account directly from BestBuy! No, it's not a USPS coupon. YMMV !!!
Here is the body of the Coupon!
YOUR NEXT ITEM
SINGLE USE — ONE TIME ONLY
Excludes Unilateral Minimum Resale Price (UMRP) products, gift cards, services (both in-store and in-home) and special order items. Not valid in Puerto Rico. No resellers. No copies. No cash back. No cash value. Coupon is nontransferable and is not for resale. Limit 1 coupon per transaction. Limit 1 coupon per customer. Coupon required at time of purchase.
Products in the following categories are excluded from this offer:
Computers, tablets, HT projectors, subscription software services, digital music services, gaming consoles, music and e-reader download cards, contract mobile phones, and mobile broadband devices. Select premium TVs from LG, Samsung, Sharp and Sony. Select Blu-ray players from Samsung and Sony. Select home audio products from Samsung, Sony, LG, and Sharp. Select drones.
Products from the following brands are excluded from this offer:
Bose®, Boston Acoustics, Breville, Dyson, GoPro, Nest, Philips, and Sonos. These brands and products available through Magnolia are excluded: Bowers & Wilkins, McIntosh, Oppo, Rotel, Savant, Sennheiser, Sonus Faber, Universal Remote Control™ and special order merchandise. These brands and products available through Pacific Sales/Pacific Sales Kitchen & Home are excluded: Dacor, DCS, Jenn-Air, Miele, Monogram, Sub-Zero, Thermador, Viking, and Wolf products in Pacific Sales/Pacific Kitchen & Home locations.
COUPON VALID DATES:
Coupon valid 7/7/16–9/5/16.