2023 Cook Islands Real Heroes Coast Guard 3oz Silver Black Proof Coin Minted 850. As part of the immensely popular «Real Heroes» series, its 4th issue pays tribute to rescue swimmers all over the world, especially those serving in the United States Coast Guard. As one of the six military services, its members have fulfilled their unique duty as both a security and humanitarian force protecting America in domestic and international waters for over 100 years. Proof quality 99.9% pure silver. Forth in the new series Real Heroes. Ultra high relief, partly polished honeycomb pattern. Extra Limited mintage – 750. Items are well packed for optimum arrival condition. Please be sure to return the item in the condition it was received in. Include COA and all original packaging.