London (GB) The Square Circle Postmarks of London 1880 - 1909

The development of the Square Circle Postmarks of London.

In Late 1879 a new handstamp was issued to the EC Office. The trials of the Hoster Machine and style proved to be successful in using a combined date and coded handstamp.

The first Square Circles developed are also known as Geometric type cancels.

1880 -1885 The Early Developments

1880 TYPE IA with single letter duty code F 1880

1880 TYPE IA with single letter duty code

1881 TYPE IIA with filled corners on 5d Indigo

1881 TYPE III coded JZ

1885 TYPE IV on London EC uprated stationery cover to Amsterdam

1890 TYPE IV on London EC to Blackheath (GB)

1885 TYPE V on London EC to Switzerland

1883 TYPE VI coded A-Z 1½d rate from London to Bexley Heath.

1883 rarity of use. Letter sent 3rd July 1883 cancelled by the Type VII square circle. Used at Lombard Street Branch Office, then redirected on the 9th July with an additional 1d Lilac and cancelled using the Type III square circle, by the Chief Office London E.C.

1886 -1890 Further Developments

1886 lined corners TYPE IIB on postal card to Anvers Belgium.	Type IIC on cover to Ewell, Surrey
File:London (GB) The Square Circle Postmarks of London 1880 - 1909 2c.jpg	File:London (GB) The Square Circle Postmarks of London 1880 - 1909 2d.jpg

1890 -1900 The Main Period of Use

TYPE IIC 1894 Geometric type with dots in Corner Triangles. LONDON NA code on stationery cover to Philadelphia USA

Enfield (Northern Office) square circles 1893.

Type 1, 27mm, large squared circle dated Feb 29 1892, sent to Germany

1901 -1909 The Last Years of Usage

File:London (GB) The Square Circle Postmarks of London 1880 - 1909 4a.jpg

1906 TYPE VII on Lombard St B.O.uprated stationery cover to Apolda Germany

1909 TYPE IB Late usage. 3 Lined Octagonal no corners.