Alan E. Cohen (Shopping/Antiques)
alanecohen.com
Description: Offers issues including mint and used classics and BOB. Alan E. Cohen offers premium... quality stamps, plate blocks, essays and proofs for collectors, with an online catalog updated monthly, and the ability to seek out the specific stamps you desire
Specializes in: stamps alan cohen postage alanecohen stamp collecting philately essays proofs... collectibles scott number

E. S. J. van Dam (Shopping/Antiques)
esjvandam.com
Description: Specializes in Canadian revenues and semiofficial air mail issues. E.S.J. van Dam... Ltd Canadian revenue stamp dealer since 1970
Specializes in: canada revenues canada revenue stamps canada revenue stamp newfoundland revenues canada law stamp proofs documents newfoundland revenue... canada ducks canada taxpaids