Hong Kong Postal History Anglo-French Accountancy Marks 1866-69: 1F66C: 1867 (14 Mar.) commercial entire to Reims "Via Marseilles" bearing a very fine strike of the type N accountancy mark in black with handstruck "10" rate mark and Marseilles transit (26.4), the reverse with clean Hong Kong despatch c.d.s. in black, Paris and Reims arrival (28.4) c.d.s.; light horizontal filing fold. fresh. Photo