Temp. Rubber Handstamp. Type - O3*TWI/37d

In violet 14.3.1959 and from 12.5.1959 when the “T” in “T.W.I.” was removed.

Modern Single Ring (* above date)

In violet 11.4.1960 and in black from 27.5.1960. Reads: “YORK PEN”. Seen without year plug.

Temp. Rubber Handstamp. Type - O3*/37

Several strikes are in a dark violet to nearly black. Reads: “YORK PEN”. Known with “PEN” deleted and “TOWN” added in manuscript.

Modern Single Ring - 68 (with *)

Reads: “YORK PEN”. LKD on a registered cover lacks year plug (“1975” supplied by back cancels).

Temp. Rubber Handstamp. Type - O3/41

Reads: “YORK TOWN”.

Modern Single Ring

Reads: “YORK TOWN”.

Temp. Rubber Handstamp. Type - O3/41

Reads: “YORK TOWN”, but is reported as a different die to 9170.06.

Modern Single Ring - 91

Note. This listed as 9170.09 in Potter. Whence “08”?