Treasure Hunt 3

INDIA-SWITZERLAND. 1914 Registered cover franked with 4a olive green, 8a red violet, 12a claret, and 1r green and red brown George V issue with I.E.F. overprints (Sc M40-43), prepaying the civilian UPU letter rate plus Registry fee to Switzerland, and all tied by BASE-OFFICE/D/REG. datestamps. Front shows red PASSED BY CENSOR handstamp, while reverse bears BASE OFFICE D Registry label, plus LAUSANNE arrival datestamp. Scarce India Expeditionary Force franking on a very fine Registered letter.