Plaque: Penny Post - 1890 jubilee
Erection date: 20/11/1890
This stone was laid by the Right Honourable Henry Cecil Raikes, M. P., Her Majesty's Postmaster General, on the 20th of November, 1890, the jubilee year of uniform inland penny postage.
Site: Penny Post - 1890 jubilee (1 memorial)
EC1, Aldersgate Street, 1