These marks, similar to a style used in Birmingham, England, were first used in Jamaica in 1939
Four Types are described (with two sub-types of the "B2" and one sub-type of the "B3" being known).
They occur both with and without an asterisk in the die
Type B2a (only Whitfield Town) has the layout reversed with the solid bar at the top and the name below.
Type B3a (only Bluefields) has the middle arc extending around the bottom of the die and the name "JAMAICA" is omitted.
Type B4 ..........