REGISTRATION ENVELOPES: 1909 usage of 4d long Registration Envelope to Germany via Australia with 'TONGA GOVERNMENT/FRANK' cachet in lieu of stamps, 'REGISTERED AT/NUKUALOFA, TONGA' cachet and 'NUKUALOFA/ AU25/09/TONGA' cds on face, partial Sydney 'SP14' transit b/s, couple of minor blemishes & wax seal removed from back.