New postage stamps celebrate 50th anniversary of National marine Sanctuaries System. The National Marine Sanctuary System was established on Oct. 23, 1972 with the signing of the Marine Protection, Research, and Sanctuaries Act. That means the network, which includes 15 national marine sanctuaries and 2 marine national monuments, turns 50 this year. Now they’ve got a 16-stamp set to celebrate! Go To: https://www.ecowatch.com/marine-sanctuary-stamps.htmlThe National Marine Sanctuaries Forever® stamp series to be released on Aug. 5. will cost $.60 each, and come in a sheet of 16 for $9.60. Forever stamps will always be equal in value to the current First-Class Mail 1-ounce price. Orders can be made online at usps.com/stamps or by calling 844-737-7826.