Urkunden Katalog: Stanley Gibbons

Prüfer	Art des Attestes	Katalog	KatalogNr.
Holcombe, Peter (Sonstiges)	Attest	Stanley Gibbons	8
RPSL, Royal Philatelic Society (Prüferkommission)	Attest	Stanley Gibbons	8
Jackson, Mike (Sonstiges)	Attest	Stanley Gibbons	8
Jackson, Mike (Sonstiges)	Attest	Stanley Gibbons	8
Jackson, Mike (Sonstiges)	Attest	Stanley Gibbons	8
American Board, of Experts (Prüferkommission)	Attest	Stanley Gibbons	8
KGVI-Expertising, (Prüferkommission)	Attest	Stanley Gibbons	8 - 9 t
BPA, Expertising Limited (Prüferkommission)	Attest	Stanley Gibbons	8 a