Classic Stamps
Shopping, Antiques and Collectibles, Stamps, Postage - Classic Stamps. Specializes in New Zealand and Antarctic-related issues.
https://www.classicstamps.co.nz/welcome.asp
D J M Kerr Stamps of Eastern Europe
Shopping, Antiques and Collectibles, Stamps, Postage - D. J. M. Kerr. Offers classic and modern issues from eastern half of continent.
https://www.djmkerr-stamps.com/
Aron R. Halberstam Philatelists
Shopping, Antiques and Collectibles, Stamps, Postage - Aron R. Halberstam Philatelists. Specializes in issues through 1960.
https://www.aronrhalberstam.com/
Sells in Irish issues and covers.
Ireland Stamps Irish Stamps from Raven Stamps Ireland, Stamp dealer Ireland, everything for the stamp collector of Irish stamps, first day covers, definitives, commemoratives, overprints and Irish coins and euro.
http://www.irstamps.com/
Martins Philatelie
Shopping, Antiques and Collectibles, Stamps, Postage - Martins Philatelie. Specializes in Germany, France, Austria, Switzerland, and Liechtenstein.
https://www.martins-philatelie.com/