Vintage WW 1 US War Service Ship Building Badge

Description

p.p1 {margin: 0.0px 0.0px 8.0px 0.0px; font: 17.0px Helvetica; color: #000000} span.s1 {font-family: 'Helvetica'; font-weight: normal; font-style: normal; font-size: 17.00pt}
World War 1 era United States War Service Ship building badge.  Has number on back.