A selection of Western Australian Numeral Postmarks. Also includes the earlier Barred Letter cancels. There are 3 types of Barred Numeral postmarks found in WA. They are differentiated by the number of bars surrounding the number itself. There are 12 bar, 9 bar, and 15 bar grids.      ( i.e. a 9-8 indicates it is a 9 bar cancel surrounding the numeral 8. )