Home / United States / World War I / Metal Insignia / Shirt Size WWI 57th Coastal Artillery Officer’s Collar Insignia – BB&B Bronze Shirt Size WWI 57th Coastal Artillery Officer’s Collar Insignia – BB&B Bronze$35.00 Excellent condition. Shirt Size WWI 57th Coastal Artillery Officer's Collar Insignia - BB&B Bronze quantity Add to cart Item Number: 593433 Category: Metal Insignia