A postcard posted in September 1912, just after the introduction of National Health Insurance.A National Insurance card from 1952.
The card shows the change in rate of contributions on 1 October 1951. This was accompanied by a change in the design of the stamps.
The owner of this card moved started off as “non-employed” (the stamps with the value in a diamond). Then became self-employed (stamps with the value in an oval) and finally an employee (stamps with the value in a rectangle).
