![My 18 month old Kaweco Brass Sport. Inner barrel exposed for comparison of natural patina vs. *mostly* untouched brass : r/fountainpens My 18 month old Kaweco Brass Sport. Inner barrel exposed for comparison of natural patina vs. *mostly* untouched brass : r/fountainpens](https://preview.redd.it/0oaahgamrz981.jpg?auto=webp&s=7bd9937e96d93b3882b1eb0608dc14ea0fd9779c)
My 18 month old Kaweco Brass Sport. Inner barrel exposed for comparison of natural patina vs. *mostly* untouched brass : r/fountainpens
![The other day, somebody noticed the patina on my kaweco brass sport and he was so amazed by the pattern formed on the brass body. Now when… The other day, somebody noticed the patina on my kaweco brass sport and he was so amazed by the pattern formed on the brass body. Now when…](https://i.pinimg.com/originals/54/80/e3/5480e36181abef4353b0a55ad66dfc79.jpg)
The other day, somebody noticed the patina on my kaweco brass sport and he was so amazed by the pattern formed on the brass body. Now when…
![Kaweco Brass Sport Patina After Two Weeks. - fountainpens - Reddit | Kaweco, Writing accessories, Fountain pen ink Kaweco Brass Sport Patina After Two Weeks. - fountainpens - Reddit | Kaweco, Writing accessories, Fountain pen ink](https://i.pinimg.com/originals/54/69/73/546973138673cc8bdc98cb2a58118a92.png)
Kaweco Brass Sport Patina After Two Weeks. - fountainpens - Reddit | Kaweco, Writing accessories, Fountain pen ink
![Patina on Kaweco Brass Sport after about 1 year of use, I can't remember what it looked like new. : r/fountainpens Patina on Kaweco Brass Sport after about 1 year of use, I can't remember what it looked like new. : r/fountainpens](https://preview.redd.it/wwei9mrov4m71.jpg?width=640&crop=smart&auto=webp&s=bd1ac7d28555721547a512cc12b35d8e0c830436)