“SERVICIO MEXICANO CERTIFICADO INTERNATIONAL REG’D MAIL” – “1889” – “M-45”
Brass body. Brass shackle. Quill key. “M-45” is stamped on the reverse of the body. “1889” is stamped on the reverse of the shackle.
-
-
“SERVICIO MEXICANO CERTIFICADO INTERNATIONAL REG’D MAIL” – “1906” – “M286”
Brass body. Brass shackle. Quill key. “M286” is stamped on the reverse of the body. “1906” is stamped on the reverse of the shackle.
-
“SERVICIO POSTAL MEXICANO CERTIFICADOS” – “164” – “S14668”
Brass body. Brass shackle. Operating quill key. circa 1880-1906.