Details
cover 1880 (21 Mar.) envelope to Massachusettes "Via San Francisco" bearing Koban 5s. cancelled by crossroads cancellation and showing "I.J. POSTAL AGENCY/SHANGHAI" alongside, a further c.d.s. (Kobe?) has been excised from the envelope. The reverse shows Customs Kiukiang and Shanghai c.d.s., a scarce cover from the Customs House at Kiukiang.