These pins surfaced on Ebay about 8 years ago. The packaging states that these were manufactured by Button World, which is a company that went out of business in 1966 so that seems unlikely. These definitely appear to be fan made.
![](https://media.angelfire.lycos.com//preview/4430222/1024x1024-2190097.jpg)
![](https://media.angelfire.lycos.com//preview/4430222/1024x1024-2190100.jpg)
![](https://media.angelfire.lycos.com//preview/4430222/1024x1024-2190098.jpg)
![](https://media.angelfire.lycos.com//preview/4430222/1024x1024-2190101.jpg)
![](https://media.angelfire.lycos.com//preview/4430222/1024x1024-2190103.jpg)
![](https://media.angelfire.lycos.com//preview/4430222/1024x1024-2190104.jpg)
![](https://media.angelfire.lycos.com//preview/4430222/1024x1024-2190105.jpg)
And below we have fan made OSM Pez dispensers. I am not sure if others were produced.
![](https://media.angelfire.lycos.com//preview/4430222/1024x1024-2190106.jpg)
![](https://media.angelfire.lycos.com//preview/4430222/1024x1024-2190107.jpg)
![](https://media.angelfire.lycos.com//preview/4430222/1024x1024-2190108.jpg)