Lot 4022 – 1920 (4 Apr) Stampless cover from Taif to Alexandria

1920 (4 Apr) Stampless cover from Taif to Alexandria bearing registration receipt of Taif with Taif barred double circle ds, on reverse are Port Taufiq transit and Alexandria arrival 18 May. On front are Taif ds and numbered registration label of Taif. An extremely rare documentation of registered mail, and apparently the only recorded example of registration label with registration receipt attached to reverse.