Number: 660.01
Type: Temp. Rubber Handstamp. Type - O3*/37
(49 x 33 mm. Violet or purple)
Notes: Asterisks are low.
Later strikes have a break in the inner oval under letter "L" which may be damage or a second die.
Strikes 7.1.1976 and 22.9.1984 in black. Left "*" is higher.