WWI RFC FIGHTER FLYING ACE PILOT SIGNED REAL PHOTO COL WILLIAM AVERY BISHOP.  A real photo, faded photographers tamp on back, possibly a wire phoro, light edge wear. The photo measures 9 3/4" x 7 1/2". With book plate of Bishop, extraction roughness on binding edges, signed in blue ink WA Bishop. Some light soiling and edge corner wear, yellowed. It measures 7" x 9 3/4". A nice find. 

The top Canadian flying ace of WWI with 72 kills:

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