This pen is raw metal brass with no coating to protect it from oxidation., Oxidation forms a patina on the pen, which is a primary reason buyer's like
Kraken's Keepsake Brass Patina - Bolt Action Pen by Bastion®
Alpha Executive Pens –
Brass pen shipwreck. : r/EDC
Customer reviews: Fisher Space Pen Raw Brass Bullet Pen (400-RAW )
WOE Dispatch – tagged #Bremont
Fisher Space Pen - Raw Brass Bullet Pen
WOE Dispatch – tagged #JamesBond
My hands smell like pennies : r/EDC
Help! I hate the patina on my bronze Tactile Turn : r/pens
Minimalist Machined Bolt Action EDC Pen Copper - New Zealand
My hands smell like pennies : r/EDC
Made in America
Minimalist Machined Bolt Action EDC Pen Copper - Canada
Minimalist Machined Bolt Action EDC Pen Copper With Clip