Campbell PatersonSpecialist in New Zealand stamps, postal history, and philatelic publishers.
| Carolina Collections Home PageSpecializing in quality worldwide stamps and covers from classics to the 1960s. Special interest in Germany and British Commonwealth.
| Championship Stamp SupplySells stamps and stamp supplies including albums, drying books, mint sheet files, stamp packets, and more.
| Chenaille StampsFeatures U.S., Canadian, British Commonwealth, and other worldwide stamps.
| Cherrystone AuctionsNew York company specializes in postal history, rarities, and other worldwide issues.
| China PhilatelyNew Stamp Catalogues of the China Philately from A. Klengler Publishing House.
| Chinese PhilatelyDisplays collection of postal issues and cancellations of Imperial China.
| Chrysalis StampsSpecialists in pre-1935 mint postage stamps of the British Empire.
| Classic Stamps of MauritiusDedicated to the first stamps of the Island. Also provides information about the Island, its history, customs, culture and environment and links.
| CollectUS.comRare coins, stamps, bullion, jewelry, collectibles, gifts, and collecting supplies.
| Connecticut CinderellasCinderella stamp sales and references, including poster stamps, revenues, locals, bogus and fantasy stamps.
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