There isn’t much known about the United Nail And Foundry Co (NAFCO) in St. John, Newfoundland. The trademark was registered in February 1945 – slightly pre-confederation. No date of first use is listed on the trademark.
![](https://castironcanada.com/wp-content/uploads/2019/10/nafco.png)
But this is typically what is seen on cast iron hollow ware – capitalized NAFCO in a diamond.
![](https://castironcanada.com/wp-content/uploads/2019/10/nafco1.jpg)