1864 REGISTERED MAIL DARTMOUTH TO HOLBORN. 1d pink envelope on blued paper Dartmouth to Holborn uprated with 4d pale red (SG80) lettered CF (filing fold affects) tied "237" numerals of Dartmouth and alongside DARTMOUTH cds DE 17 64. Also on front REGISTERED/LONDON date stamp 19 DE 64 and fine strike of the CROWN/REGISTERED hand stamp, both in red. (Ref 94621).