cover 1917 (30 July) "CHINA" registered envelope, size G, addressed to England "Via Siberia" with additional 4c. tied by a part strike of Wei Hai Wei c.d.s. and showing a part strike of the rare boxed "PORT EDWARD ...  No ... " three-line registration mark; the envelope with faults but still a collectable example of this rare mark, Webb's guide records only three examples, this is after the latest date recorded by Proud. Norton D9. Photo
Port Edward
cover 1917 (30 July) "CHINA" registered envelope, size G, addressed to England "Via Siberia" with additional 4c. tied by a part strike of Wei Hai Wei c.d.s. and showing a part strike of the rare boxed "PORT EDWARD ... No ... " three-line registration mark; the envelope with faults but still a collectable example of this rare mark, Webb's guide records only three examples, this is after the latest date recorded by Proud. Norton D9. Photo

Details
cover 1917 (30 July) "CHINA" registered envelope, size G, addressed to England "Via Siberia" with additional 4c. tied by a part strike of Wei Hai Wei c.d.s. and showing a part strike of the rare boxed "PORT EDWARD ... No ... " three-line registration mark; the envelope with faults but still a collectable example of this rare mark, Webb's guide records only three examples, this is after the latest date recorded by Proud. Norton D9. Photo