SHANGHAI: 1917 Cover sent „Advice of Receipt“ registered to the Philippine Islands with Russia Chinese surcharged 3c on 3k pair and 14c on 14k tied by Shanghai 15.5.17 cds (T&S type 8A, Julian calendar) with another cds adjacent (T&S type 6B, Gregorian calendar), with reg’d label below rare in violet „With Advice“ hs in Cyrillic plus „AR“ hs, rare rate markings and destination Note: Owing to the fall in the Rouble after the Russian Revolution, payment for postage at the Russian P.O.s in China had to be made exclusively in Chinese currency, hence the surcharge in cents and dollars.