Great Britain and British Commonwealth VICTORIA Travelling Post Offices
Sale No: 85
Lot No:1376
Symbol:c
English Mail T.P.O.: 6-bar machine cancel 'ENGLISH MAIL T.P.O.20MY1912' backstamp on cover from Germany (stamps removed), flap torn through cancel. [This is the postmark which Purves describes as 6 unbroken bars. However this example has 4 unbroken bars and appears to be complete. Normally found on PPCs, rare on cover.] (Image1)