Panama, 1904, Registration, Official Envelope, legal size envelope to Germany with magenta "D. Office, R, No……." and "AR, Panama" oval handstamps with blue "2324" registry number handstamp inset, endorsed "Via New York", reverse with New York (3.8) and New York registry label affixed, Wiesbaden (3.17) arrival backstamp, various ms. registry numbers; file fold ends in small tear, Very Fine. Estimate  $300 - 400. THE ONLY RECORDED POST-INDEPENDENCE REGISTERED OFFICIAL COVER FROM THE 1904-06 TIME PERIOD, AND THE ONLY RECORDED EXAMPLE OF THESE REGISTRY MARKINGS. $0 (Image)