Cancel Type	Potter No.	EKD	LKD	Cancel Notes
Temp. Rubber Handstamp. Type - O3*WI/37e	8360.01	1.6.1963	17.2.1964
Modern Single Ring (* above date)	8360.02	5.3.1964	4.1.1993	Reports of strikes dated 5.3.1965 and 29.8.1965 reading “THORTON” without an “N” may be a second die.
Temp. Rubber Handstamp. Type - O3*/37	8360.03	20.1.1986	31.3.1986
Temp. Rubber Handstamp. Type - O3PA/41j	8360.04	22.3.1993	16.8.1993	Reads: “THORNTON P.A. / JAMAICA”. Known in violet from 24.7.1993.
Modern Single Ring - Dual Arc	8360.05	27.8.1996	27.8.1996