Official report of a victory of 2ndLt Norman Roberts over a Fokker DVII on 25 Jun 1918. Typed details of the aerial combat as acknowledged by Roberts and two observers. This was the 4th victory of five Roberts eventually recorded to become an ace. Signed by the 48 Squadron Commander, Major Keith Park. 8x11.5", typed and punched for filing as normally found. Very good; historical rarity of WWI aerial combat.