Urkunden Prüfvereinigung: Sonstiges

Prüfer	Art des Attestes	Katalog	KatalogNr.
Pfenninger, Franz (Sonstiges)	Attest	Michel	52
MacDonnell, David (Sonstiges)	Attest	Stanley Gibbons	52 a
Flatheim, Geir Olav (Sonstiges)	Attest	NK Norgeskatalogen	52 II b
Pieles, Roland (Sonstiges)	Attest	Michel	52; 156
Crowe, William T. (Sonstiges)	Attest	Scott	526
Shalit, Ury (Sonstiges)	Attest	Michel	527
Liapine, Victor (Sonstiges)	Attest	Michel	5283 II
Raritan, Stamps Inc. (Sonstiges)	Attest	Scott	53