cover 1873 (23 May) envelope (light stains) "per Steamer Hatteras via New York" to London, bearing 1d. and 6d. sharing a light inverted strike of the "4" K1 and with a fair strike of the Mangrove Bay P5 c.d.s. (showing "72" for "73" year date error) and London Paid c.d.s. in red. Photo
cover 1873 (23 May) envelope (light stains) "per Steamer Hatteras via New York" to London, bearing 1d. and 6d. sharing a light inverted strike of the "4" K1 and with a fair strike of the Mangrove Bay P5 c.d.s. (showing "72" for "73" year date error) and London Paid c.d.s. in red. Photo

细节
cover 1873 (23 May) envelope (light stains) "per Steamer Hatteras via New York" to London, bearing 1d. and 6d. sharing a light inverted strike of the "4" K1 and with a fair strike of the Mangrove Bay P5 c.d.s. (showing "72" for "73" year date error) and London Paid c.d.s. in red. Photo