1917, 5¢ blue, wavy line machine cancel, virtually perfect centering amid large evenly balanced margins, rich deep color, Superb, a beautiful used gem; with 2013 P.S.E. Graded certificate (Superb 98, SMQ $260). Scott No. 504  $1. $0 (Image)

1917, 5¢ blue, top margin plate "7787" block of 6, o.g., bottom right pair lightly hinged, others never hinged, exceptional centering on bright paper, deep color, Extremely Fine. Scott No. 504  $140. $0 (Image)