EFO P1 documentary

Number 4 flaw at left of PISO.
With normal for comparison.

EFO 1942 JapOcc 5c surcharge

Bottom stamps have the two-line COMMONWEALTH overprint completely covered by deleting bars, top stamps not, in this block of four provisional issued on September 1, 1942.

EFO 1943 JapOcc regular 2c

Short diagonal line jutting from the upper right corner where the top and right frame lines meet.

Surcharged Jesuits s/s

Three hundred pesos or three pesos?

The P300 initial printing (4,000 copies) was later corrected to P3.00 (more than 60,000 copies).
P3 surcharge of 1984 on the P2 Jesuits souvenir sheet of four 40-sentimo stamps of 1981.

EFO 1943 Limbagan

Top left stamp has a thin and short deleting bar over UNITED STATES OF AMERICA, top right stamp has thick and long deleting bar.Block of four 12-centavo Limbagan overprint of 1943 on 20-centavo "Juan dela Cruz" stamps of 1935 overprinted with small COMMONWEALTH in two lines.

ring flaw 132

Ring flaws on the black and on the yellow of the marginal color guide. 
Block of four P1 Asia-Pacific Telecommunity stamps of 1989.

EFO 1942 surcharge B

Short deleting bar covering UNITED STATES OF AMERICA.
Block of six 5-centavo surcharge of 1942 on 6-centavo Filipina allegory stamps of 1935 overprinted in 1939 with small COMMONWEALTH in two lines.

EFO 1942 surcharge A

Top stamps have deleting bars covering the small COMMONWEALTH overprint, bottom stamps don't.

Block of six 5-centavo surcharge of 1942 on 6-centavo Filipina allegory stamps of 1935 overprinted in 1939 with small COMMONWEALTH in two lines.

CENTAVUS

CENTAVUS variety.

Occurs on five different positions on the sheet.

18-centavo Peace Fund Campaign stamp of 1951.

EFO 1886 newspaper stamp

Big chunk off the back of the king's head, a plate flaw?

1/8 de centavo King Alfonso XII newspaper stamp of 1886.

EFO 2c science stamp

Big ring flaw beside the thumb.
2c science stamp 1971 printing.

EFO P1 science stamp

Black dot above the I of REPUBLIC, top stamp, and ring flaw on the flask, bottom stamp.
Vertical strip of three P1 science stamps with punched hole cancels.

EFO 50s documentary

DOKUMENTARYU top stamp, DOKUMENTARYO bottom stamp.

Pair of 50-sentimo documentary stamps of the 1971-87 series.

EFO P2 documentary C

Printing flaws on the lower left corner of top stamp and on the bottom frame line of bottom stamp.

Vertical strip of three P2 documentary stamps of the 1967-71 series.

EFO P2 documentary B

Printing flaw, lower left corner of bottom stamp of this vertical strip of three.

P2 documentary stamp of the 1967-71 series.

EFO P2 documentary A

Printing flaw, lower left corner of the left stamp of this pair.

P2 documentary stamp of the 1967-71 series.

Interesting DELETED cancel.

EFO 1961 overprint C

Broken N of National on both values.

10-centavo and 30-centavo 2nd National Boy Scout Jamboree tete-beche overprint of 1961 on the 6c+4c and 25c+5c 10th World Boy Scout Jamboree tete-beche semipostal of 1959.

EFO documentary stamp A

Printing flaw on the TA of DOKUMENTARYO.

5-sentimo documentary stamp of the series 1971-1987 printed on security paper with artificial silk fibers.

ring flaw 120

Ring flaw west of Palawan Island.

ring flaw 119

Two ring flaws on the flame.