ring flaw 140

Ring flaw on the blue of the flag.

ring flaw 135

Ring flaw on the red of the flag.
P2 National Flag stamp of 1993.

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.

ring flaw 129

Ring flaws on top of the 6 in the logo and after Oct. 13, top stamp, and below the x of exposition, bottom stamp.
Vertical pair of 60-sentimo World Expo stamps of 1986.

EFO 1982 UP College of Medicine P3.20

Brown dots on top of the peso sign and below the underlined 20, bottom right stamp.

Block of four P3.20 UP College of Medicine stamps of 1982.

ring flaw 128

Ring flaw on the blue square, bottom right stamp.
Block of four P1 Buy Philippine Made Movement Month stamps of 1988.

EFO 1982 UP College of Medicine 40s

Apostrophe between the R and S of ANNIVERSARY, bottom right stamp.
Block of four 40-sentimo UP College of Medicine stamps of 1982.

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 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.

ring flaw 121

Ring flaw on the cassock of Saint Miguel Febres Cordero.

P1.90 surcharge of 1988 on P2.40 De La Salle University stamp of 1986.

ring flaw 120

Ring flaw west of Palawan Island.

ring flaw 119

Two ring flaws on the flame.

EFO 1988 Toribio Tedoro E

Ring flaw on back of the head

Ring flaw on extreme back of the head

Ring flaws.

ring flaw 115

Ring flaw above the third "i" of Pilipinas.

ring flaw 107

Ring flaw on the S of PILIPINAS.

ring flaw 103

Ring flaw on the red of the flag.

ring flaw 102

Ring flaw on the red of the flag.