Urkunden Prüfgebiet: Uruguay

Prüfer	Art des Attestes	Katalog	KatalogNr.
Eichele, Martin (BPB (Briefmarkenprüfstelle Basel))	Attest	Scott	120 a
Rocha, Carlos Hernández (Prüferkommission)	Attest	Scott	13 c
Diaz Paulos, Fausto (Sonstiges)	Attest	Stanley Gibbons	159 a
Diaz Paulos, Fausto (Sonstiges)	Attest	Stanley Gibbons	16 c
The Philatelic Foundation, (Prüferkommission)	Attest	Scott	2
Diaz Paulos, Fausto (Sonstiges)	Attest	Stanley Gibbons	25 b
The Philatelic Foundation, (Prüferkommission)	Attest	Scott	3
Diaz Paulos, Fausto (Sonstiges)	Attest	Stanley Gibbons	3