I understand that the troops wanted a cuppa they gave their money to the NAAFI cashier and received a token which they then passed to the tea lady.
Recently our Museum received some NAAFI Tokens which are abut the size of an English/Australian shilling or 1/2pence.
I am not sure what is printed on the round token. It looks to me to be for the value of 1/2pence for the "British, British, Armed, Armed, Forces Forces.1/2d.1/2d.1/2d."
Regards Rick.