1863, ARABIA: 4d. brownish-red, 6d. violet and 1sh. green tied by numeral "15" to registered folded lettersheet with boxed "LOMBARD STREET REGISTERED LETTER" and crowned "REGISTERED" alongside to Philadelphia, paying ½oz rate, 6d. registration fee and 4d. late fee, upon arrival red integral "PHILADELPHIA SEP 18 24" struck, debiting the UK 24 instead of 11 cents, fine
