Shop USPS via eBay.com has a Quantity of 16 of their 10-Count Forever Postage Stamp Booklets for $63.40 when you apply coupon code PGET15OFF and checkout via PayPal. Shipping is $1.25.
Editor's Notes & Price Research
Offer is valid today only, June 26, 2017 until 8 pm PST. Coupon can be used once per PayPal account. Eligible items exclude items in the Coins & Paper Money, Gift Cards & Coupons, and Real Estate categories (full terms and conditions).
Use promo code: PGET15OFF
or add 8 of these Link or these Link or these Link
Must use Paypal to checkout. Offer is valid today only, June 26 2017 until 8pm PT. Coupon can be used once per PayPal account.
You can also use these to ship USPS packages. If you know the cost of the shipping, do some math and figure out how many forever stamps you need to cover the postage.