A stamp which certifies that a weekly payment has been made towards National Insurance: he had to pay sixpence a week for his insurance stamp
More example sentences
- Out of this his employer stopped 4d for his insurance stamp.
- To have that sort of pain and to have paid national insurance stamps and then not be able to get a dentist and have to suffer like that is pretty disgusting really.
- The basic pension is £75.50 a week but, like most women, I don't get the full amount because I didn't get enough national insurance stamps.