- Gevraagd: perfins van Ceylon
- Catalogue of the Perfins of Belgium, 2nd edition
- Result PCN internet auction I 21
- Results 20th Internet auction
- Results of the 19th PCN Internet Auction
- Request
- In Memoriam Jan Verhoeven
- Wanted: perfins with an image of a crab
- Result 18th PCN internet auction
- PCN at the Filanumis 2025 fair