South out of Lower Thames Street, by No.32, east of Bear Key and west of Custom House Key (S. ed. 1603, p. 137-Lockie, 1810).
"Potters Key" (Strype, ed. 1720, I. ii. 53).
This quay was so named as having one of the rulers of the Fellowship Porters in attendance here to exercise the office of metage of salt, grain, fruit, etc., on behalf of the Corporation.
Site now occupied by the Custom House.
A Dictionary of London. Henry A Harben. 1918.