Original U.S. WWII Army Officer Knox Superfine Visor Cap with Box Category_Display Guns & Parts Sets Bore on this example shows

Bore on this example shows clear lands and grooves

Consequently the M-1910 smooth jacket guns were obsoleted and replaced with fluted jacket models

One side is black with a crown

participation in the war started

He flew 29 missions in WWII as follows (except from his flight log provided by his daughter):

Original U.S. WWII Army Officer Knox Superfine Visor Cap with Box Category_Display Guns & Parts Sets Bore on this example showsOriginal Item: Only One Available. This visor cap, in OD Green issue color, is offered in excellent condition. The sweatband is embossed with the retailer name NEWMAN"S JOPLIN, MISSOURI. The underside of the crown bears SUPERFINE KNOX NEW YORK logo. This peaked cap features a gold tone WWII Army Overseas insignia over a leather visor. Size is approximately a US 7. Also included is wonderful hat box marked KNOX HATS, NEW YORK with full vibrant colors