Broadly speaking there are three incarnations of these numeric cancels :-
1 - dated cancels with a small central number - 6.5mm high.
2 - dated cancels with a large central number - 8mm high.
3 - undated cancels with a thinner central number.
4 - undated cancels with a thicker central number.
The following table shows the known versions of these four for each number as a column of four entries.

Many numbers have been seen in multiple versions. While they are nearly all black, a few have been spotted in blue or green.

Contributions of scans or samples of any unillustrated postmarks would be welcomed.

						17		19
							58
61
	72		74						80
	82						88
	92	93	94					99