As with coins and baseball cards, in recent years some stamp collectors have started submitting their stamps to grading agencies for "expertising". Some of the well-known organizations which issue certs for stamps include PSE, Weiss, PF and APS.

Some stamps will be sold with an existing cert, and other sellers will offer the buyer the opportunity to have a stamp graded and examined by a third party before completing the transaction. As with any collecting purchase, cert or not, caveat emptor!


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Clubs & Associations

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Momen: Us Stamps #39 Mint Full Og H Pf Cert $3,500 Lot #1824Momen: Us Stamps #234 Mint Og Nh Pse Graded Cert Xf-sup 95 Smq $1,100 Lot #1826Drbobstamps Us Scott #16 Used Well Centered Stamp, Pse Certificate, Cat $1650Drbobstamps Us Scott #245 Mint Og H $5 Columbian With Pse Graded CertificateU.s. #505 Mint Beauty W/cert - 5c Rose Error ($300)Ckstamps : Us Stamps Scott#65tc 3c Proof Mint Lh/og 2014 Cv$2500 W/cert. SoundDrbobstamps Us Scott #64 Used Scarce Sound Stamp With Pse CertificateDrbobstamps Us Scott #83 Used Scarce Stamp With Pse CertificateCkstamps: Us Stamps Scott #62b 10c Dark Green 1861 Used 2014 Cv$1600 W/pse Cert.A Us Stamp Rare No. 126 Reissue Of 1869 With Cert Used Scott Cat 2011 $3250.00Us 2c Pictorial, 1869 Sc 113 Oglh Cat Value $550 With CertMomen: Us Stamps #126 Used Psag Cert Vf $3,500 Lot #1825Momen: Us Stamps #234 Mint Og Nh Pf Cert Vf+ $165 Lot #1766U.s., 1862c. Corner Cover Front 64b, Pf CertDrbobstamps Us Scott #308 Mint Og Nh With Graded Pse CertificateMomen: Us Stamps #518 Mint Og Nh Pf Cert Xf$160 Lot #1000Drbobstamps Us Scott #349 Mint Og Coil Pair With Pse Graded Certificate7us Stamp:-canal Zone- #23v 2c Dark Purple 1906-7 Mh/og Stamp + Certificate1996 Sc 3112c Major Imperf Error With Certificate Cv $50Fun 1989 Souvenir Card "$5 Gold Certificate Republic Of Hawaii" Orlando FloridaDrbobstamps Us Scott #366 Mint Og Blue Paper With Pse Graded CertificateDrbobstamps Us Scott #393 Mint Og Nh Stamp With Pf CertificateScott # 208a, Used, With 2014 Pse Cert. Low Start.2010 Rw77/jds18 Duck Stamp Certificate Of AppreciationMomen: Us Stamps #464 Mint Og H Pf Cert Xf $105 Lot #1001Dr Jim Stamps Old Us Revenue Scott R24 5c Certificate Used Wollberg & Co Cancel1028, 1953 Gadsden Purchase, Pse Graded Superb 98 Nh Certificate, Smq $75Rw42, $5 1975, Ducks, Pse Graded Xf 90j Cert, Mint Ognh, Smq $502005 Rw72 Federal Duck Stamp - Pse Cert Graded Xf 85 Mnh Beautiful Stamp!Rw62, $15 1995, Ducks, Pse Graded Xf 90 Cert, Mint Ognh, Smq $401004, 1952 Betsy Ross, Pse Graded Superb 98 Nh Certificate, Smq $50939, Peace And War, Pse Graded Superb 98 Nh Certificate, Smq $551099, 1957 Religious Freedom, Pse Graded Superb 98 Nh Certificate, Smq $501079, 1956 King Salmon, Pse Graded Superb 98 Nh Certificate, Smq $55982, 1949 Washington Lee Universit, Pse Graded Superb 98 Nh Certificate, Smq $50Us Rw43 With Pse Cert. Grade: Xf90. Mint, Never Hinged.Dr Jim Stamps Old Us Revenue Scott R33 10c Certificate Used Blue Cancel Nr