Lot
2807 
Philippines, Airmail, 1926, 4c Madrid-Manila Flight, inverted overprint, large margins and bright color, Very Fine, 100 issued, few of which still exist, last sold in the 2007 Siegel Rarity auction realizing $3,500, probably one of nicest examples in existence; with 2004 P.S.E. certificate. Scott Nos. C2a $2,600.