Tax tokens of Kansas, USA

Tokens, also known as fractional cents, were issued by some states, including Kansas, to help consumers avoid paying a full cent sales tax on small purchases where the tax was less than 1 cent. Kansas used them from 1937 to 1939.
The State of Kansas issued one type of zinc and two types of aluminum tax tokens.

2 mill (1/5 cent)
16 mm., zinc
1937
2 K 2 / KANSAS SALES TAX TOKEN
2 K 2 / KANSAS SALES TAX TOKEN

1 mill (1/10 cent)
16 mm., aluminium
1937-1939
1 / 1 / KANSAS SALES TAX TOKEN / Around the hole
1 / 1 / KANSAS SALES TAX TOKEN / Around the hole