From Stamps of the World
Although Semi-Postals raised money for agreed charities and causes. Unlike Postal Tax stamps they were not compulsory on posted items.
It was up to the sender to have the choice to use them and donate or not.
This category has the following 10 subcategories, out of 10 total.
Pages in category "Semi-Postals"
The following 198 pages are in this category, out of 198 total.