cover 1922 (24 June) envelope registered to Genoa bearing 2c. on 5c. green, 8c. on 20c. orange, "2 Dollari" on 5l. blue and rose with Express 12c. on 30c. tied by Italian Post office c.d.s. with a further strike at left where the two registration handstamps have been applied, a superb strike of unframed "RR. PP. ITALIANE-TIENTSIN/NON MULTABILE/AFFRANCATURA SECONDO TARITTE/POSTE CINESI" (Italian Post Office Tientsin - Non Taxable - Franking according to Chinese postal rates), despatch and arrival backstamps. A rare and desirable cover, the $2 surcharge is not priced on cover by Sassone. Alberto Diena Certificate (1975). Photo