Mecklenburg-Schwerin 10 Mark, 1878, Friedrich Franz II., kl. Rf., ss. Mit aktueller Kurz-Expertise Guy Franquinet, Katalog: J. 231 ss
Mecklenburg-Schwerin 10 Mark, 1878, Friedrich Franz II., small edge nick, ss. With current short expertise Guy Franquinet, catalogue: J. 231 ss