1926 Madrid-Manila Flight overprints, 2c-10p, thirteen different, l.h. or h.r., various expert signatures, l.h. or h.r., mostly fine, cat. $3280 (Cat No. C1-6,10-15,17) (Image)

Cat. $3280, Est.US$1,000

1926 Madrid-Manila Flight overprints,16c olive green, 26c blue green, usual centering, signed Sanabria, Kessler, etc., fine, cat. $7800 (Cat No. C7,16) (Image)

Cat. $7800, Est.US$3,000

1926 Madrid-Manila Flight overprints,10p deep green, l.h., fresh and fine, with 1990 PFC, cat. $1000 (Cat No. C15) (Image)

Cat. $1000, Est.US$250

1926 Madrid-Manila Flight overprints,10p deep green, h.r., v.f., with 1962 PFC, cat. $1000 (Cat No. C15) (Image)

Cat. $1000, Est.US$300