van der Wateren No. 5, commercial used envelope

Registered envelope from Ridi to the Royal Visit Camp in Piuthan
van der Wateren: “less than 10 postally used envelopes may exist”
Cancellation: Ridi registered, dated 2016 Poush 9 = Dec. 24, 1959

Arrival: Piuthan (Shrestha O 91) dated 2016 Poush 11 BS = Dec. 26, 1959
additional franking: 2 Ps 4th “Pashupati” issue (1941-1949),
3 x 4 Ps “Crown” issue 1957, 26 x 1 Ps “UPU” issue 1959/1960