U.S. Postal Service to Issue new priority mail and priority mail express stamps

December 26th, 20190 WASHINGTON, D.C — The U.S. Postal Service (USPS) has revealed two additions to the 2020 Stamp Program: Big Bend and Grand Island Ice Caves. Both stamps will be released on Saturday, Jan. 18. There will be no national first-day-of-issue ceremony for these stamps. Details on obtaining first-day-of-issue cancellations will be announced in...