Frimærkekatalog og studiekreds
| stamp.porsgaard-larsen.com |  |
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| Category | Philatelic Societies | ||
| Name | Peter Porsgaard-Larsen | ||
| Country | Denmark | ||
| Description | Catalogue and study group of Danish stamps Catalogue with emissions of Danish stamps and study group working with both known and unknown varieties (This site is available in Danish only). |
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