Documentary, 1898 "I.R." provisional, 10¢ dark green. Block of 4, magenta "(Michigan Mutu)al Life Insurance Co." handstamp and bl manuscript date "7/22" cancels, straightedge and full guide line at right, virtually perfectly centered with intense color, horizontal document crease across bottom stamps, an Extremely Fine and exceedingly rare multiple; with 1975 P.F. certificate, each stamp handstamped monogram "C.S.Y." on reverse. Scott No. R157  $16,000. $0 (Image)