Postage stamp collecting

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Paananen, Kari & Peltonen, Raimo - Finnish Railways on Stamps
Finnish stamp collectors website that has a well-made online gallery of stamps with Finnish railways as a theme

Korhonen, Markku - St. Petersburg postmarks
A Finnish stamp collector's site that has a detailed study of St. Petersburg postmarks

Jamsa, Timo - Filatelia
Finnish stamp collectors site in Finnish language that has a section of a personal web site detailing this collector's interest in topical and Finnish philately