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Urkunden Prüfvereinigung: Sonstiges
Prüfer Art des Attestes Katalog KatalogNr. Ercegović, Velimir (Sonstiges) Prüfermitteilung Michel 55 / 55 Uu Lorentzon, Peter (Sonstiges) Attest Facit 55 a Sismondo, Sergio (Sonstiges) Attest Stanley Gibbons 55 b Nielsen, Lasse (Sonstiges) Attest Facit 56 Krenz, Ralf (Sonstiges) Befund Michel 56 IX Verner, Mirko (Sonstiges) Attest Yvert et Tellier 56; 54 Knopke, Karl (Sonstiges) Attest Stanley Gibbons 56; 58 Brunel, Robert (Sonstiges) Attest Michel 56; 61