Koetsu Coralstone Platinum

Up for sale here is a brand new Koetsu Coral Stone cartridge. I purchased this right before they discontinued the Coral Stone as it's my favorite Koetsu cartridge. I have not installed it or used it, it's brand new. I wanted to keep this, but other things are taking a priority in my life right n...

Up for sale here is a brand new Koetsu Coral Stone cartridge. I purchased thi...