1845 Cover from the United Kingdom to Boston, U.S.A., carried 'per Cambria,' initially struck with an incorrect '24' single-letter rate, corrected to '48' cents. Liverpool circular datestamp 'JU 8 1850' applied alongside '48 Cents' marking.
2 × 16 cents due to Britain for Ocean Postage
2 × 3 cents due to Britain for Inland Postage
2 x 5 cents due to United States for Inland Postage
48 cents due of which 38 cents allowed to the British Post Office