In Elizabethan times a favourite spot for archery contests. Edward Lear 1812-1888 born and lived nearby in Bowman's Lodge

This is an approximate position

Bowman’s Mews, Seven Sisters Road, N7 6AA, London
[geolocate this address]
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by London Borough of Islington

Colour: blue

Wikimedia:

Flickr:

See also...
Photo of Edward Lear blue plaque
Gwynhafyr on Flickr
Photo of Edward Lear green plaque
Simon Harriyott on Flickr