Found Prestonpans, East Lothian.
Find location suggests Scottish origins but …
Below – A much clearer example found by Ian Suddaby at Blackburn, Aberdeen. Ian suggests it may have been manufactured by G. Vint & Bros at Leeds but the actual brick isn’t similar to the example on ‘Brocross’. It is however the closest possibility so far!
G Vint & Bros seem to have been merchants in stone and flagstones.
I cannot see a reference online to G Vint & Co with regard to a company being involved in brick or stone.
Below – The ‘Brocross’ reference to Vint.