Set of 4 (unissued) New York City Police Department/NYPD/Specialist Unit/Embroidered Shoulder Patches. Brand New in Pristine Condition. Worn on the left arm. 1️⃣Harbor [Marine] Unit (Anchor); 2️⃣Emergency Services Unit (ESU Truck); 3️⃣Aviation Unit (Bell 47 Helicopter); 4️⃣SCUBA Team (Diver).