Uniball 207 vs Uniball 307, Penbase Wiki
The Uniball 207 and the newer Uniball 307 are both excellent daily-use pens that are easy to find and popular in people's day to day lives. But what's the difference between the classic Signo 207 and the newer Signo 307? The Uniball 207 was released in 2007 and the 307 was released in August of 2016 that's a long wait! Even so the 307 is barely changed from the 207. Here's a list of what's different between these two pens: The 307 has a black plastic end piece (the tip). The 207 has a "chrome
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