Covers area equivalent to squares W20d, 21c, 26b and 27a on corresponding WWI map sheet 57d. Annotations on verso: "N.W. OF ALBERT" printed in pencil; "N.W. of Albert" written in blue pencil; "27. A." and "3" printed in red pencil. "PRINTED BY No. 4 ADVANCED SECTION, ARMY PRINTING AND STATIONERY SERVICES" stamped in purple ink. North arrow in white with "x" on opposite side of photo. Negative roll and photo number: 15LB 110. WWI Aerial Photograph Collection: Box 2, Envelope 90.