Home / United States / World War I / Metal Insignia / WWI Motor Transport Corps Officer’s Gilt Shirt Collar Insignia WWI Motor Transport Corps Officer’s Gilt Shirt Collar Insignia$35.00 Approximately 3/4 of an inch in diameter. Very good condition. WWI Motor Transport Corps Officer's Gilt Shirt Collar Insignia quantity Add to cart Item Number: 64807 Category: Metal Insignia