Found by Ethan Jones in the area of Wigan, England. I am no in possession of this example. The ‘B’ is stamped to the header. Bonnyton Fireclay Works, Kilmarnock, Ayrshire. . . .
Found Seafield, Edinburgh
Bonnyton Fireclay Works, Kilmarnock, Ayrshire.
Stamped to both sides with the same brickmark.
White enamel glaze to 1 side.
Note the channels to the right and left of the frog. This is likely to assist the keying of the cement and strengthen the bond between the bricks.
Below – The same stamp on a brick and with the same channels but this brick also appears to have a double border to the frog on one side. This was found by Eddie McLean in the Glasgow area.
Below – the same brickmark on both sides of a brick without the channels to the left and right of the frog.
Below – the same mark on a brick with a variation to the frog, found in the Glasgow area by Michael Fallone. The brick is stamped to both sides.