Five offices are known to have used manuscript cancellations in the period 1780 to 1830, presumably as a result of a broken or lost regular handstamp

Office	Potter No.	EKD	LKD
BLACK RIVER	850.045	12.10.1808	22.11.1825
CHAPELTON	1780.015	27.3.1816	27.3.1816
GREEN POND	3590.02	1.6.1814	9.10.1820
LITTLE RIVER	4930.02	4.1.1829	4.4.1831
RIO BUENO	7220.01	1781	18.1.1790