'Green stamp' money(救濟(jì)補(bǔ)助票)
'Green stamp' money [finance.qq.com] |
We usually think that money is interchangeable for all goods and services, but there are exceptions. In some countries, certain currencies can only buy certain things, such as clothes or land. Take Vietnamese bills for example, its edges are basically a bunch of "green stamps" that you should tear off to buy specific things, like a shirt or a pair of pants.