Heads We Win...Tails You Lose Coin Regular and secured to the button

and secured to the button on the shoulder loop

which was awarded for service in Vietnam from 1961 to 1965

The Integrated Undersea Surveillance System insignia is only presented following completion of prescribed personal qualification standards (PQS)

Note: This product does not use Near Infrared (NIR) Technology

Heads We Win...Tails You Lose Coin Regular and secured to the buttonHeads We Win Tails You Lose Coin A great gift for any service member, or just get one for yourself and start your collection. Keep another in your pocket in case you ever feel the need to present a challenge! A 1 3 4 inch coin, the photo displays both the front and reverse sides of the coin.