1. IOR/Z/E/4/28/R818 Reference (shelfmark): IOR/Z/E/4/28/R818 Title: Riddell, H.P.A.B., Director General of Post Office, Opinion respecting the proposed alternation of the Post Office Act with a view to making penal the use of obliterated postage stamps Collection Area: India Office Records and Private Papers Languages: English Date Range: 1856-1857 Extent: 1 entry