Kavel 141 | De Nederlandsche Postzegel- en Muntenveiling
Postmechanisatie: nieuw nummer Post & Techniek
Stamp Auction - Netherlands and former colonies Netherlands - Auction 245-246 Day 3 - Netherlands and former colonies - Single lots, Collections and lots, Boxes and literature, lot 2571
Diensten van PostNL veranderen per 1 januari 2023 - Nic. Oud
Stamp Auction - Switzerland Switzerland - Auction 239: General sale, lot 4017