The description and marketing would lead you to believe this is a solid brass pen that will develop a nice patina

Love the pen, not a fan of how it writes, majorly regret the brass choice and how it patinas

The Raw Brass is perfect for a pen and it acquires a dark patina just like a spent round does

Really like the finish on the pen and am looking forward to it developing a nice patina

it's got a nice patina on it

The pen looks great and has a nice patina but it won't stay together and the cartridge keeps falling out.

Within days it develops a beautiful patina.

I personally like the patina.

Three, it is made of SOLID raw brass that will develop a nice patina

develops beautiful patina~ very compact and small~

I love the patina that it has acquired, giving it a "vintage" look

The raw brass develops a really cool patina over a period of time - kinda steam punk.

I'm hoping that over time, they'll develop a patina and blur together

It has a nice even patina, looks just like an old bullet casing

The raw brass develops a great patina and I love holding it.

Brass takes an incredible patina over time

I love the patina it has already and that will get better as time goes by

Love this pen and the patina that develops as I use it

The brass takes a very nice patina with age.

This one is especially cool because the natural brass gets a nice patina with time

That patina REALLY develops and matures quickly

With the help of apple cider vinegar, my pen now has a nice greenish patina.

I love the patina that the brass develops as you carry it around

Goodness these pens rock, the patina is awesome, literally looks like a bullet case

The Raw Brass is perfect for a pen and it acquires a dark patina just like a spent round does

this is my nth one of these: they are comfortable pocket carry pens, the brass looks good and ages into a nice patina, and I have too many drawers in the house with too many opportunities for someone to "put it away

The brass finish develops a nice patina, granted not never one will be into that

The pen arrived as shown, and a very beautiful patina developed in about 1 month of use

The raw brass takes on a nice patina within a few days of use, which gives it character especially since no two raw brass pens will look the same over time.

My bad for not carefully reading the details about the Raw Brass finish: "Over time each pen will develop a unique patina as it responds to the environment, owner's body chemistry, and the way he or she handles their pen

With regular use it has started to build up a nice patina

Love the patina.

Beautiful patina has already started after just a week of use

Great patina.

The brass is already developing a nice patina.

however, after using it a little, it has developed a very nice patina that is always changing

It’s already developed a nice patina and it’s quickly become my wife’s every day carry pen.

The raw brass gets a nice patina from discoloration over time

I love the patina it develops after just a few days of use

I think I love this one the most because of how it opens and the brass has been developing a beautiful patina.