1869 UNDERPAID MAIL BRADFORD TO CANADA WITH 6D Pl.8 (SG108) AND 'INSUFFICIENTLY/PREPAID' HAND STAMP. Envelope Bradford, Yorks to 'Wm. Slack Esq, Montreal, Canada, America' with 6d dull violet plate 8 (SG 108) lettered OC tied fine strike 'Bradford/107' duplex AP 16 69. Postage underpaid with good strike two line 'INSUFFICIENTLY/PREPAID' handstamp and Canadian '3' postage due handstamp in black. (Ref 58277).