Ireland's version of Post and Go - Stamps on a Roll.

I was asked by a couple of collectors of Irish stamps to buy some of their Stamps on a Roll (SOAR) during my visit to Ireland last month. I had bought one batch previously, but this gave me the opportunity to look more closely and learn about the stamps and the machines. Aside from being a different format and type of machine to Royal Mail's Post and Go stamps, one important thing about these is…