Vert C is gorgeous and so is Vert Vertigo. I'd entertain both with permanent brass. I need a malachite bag in my collection and I am open to a few styles but would only want it with GHW/Permabrass
I purchased a roulis 23 in evercolor in a new color Vert Verone with permabrass hardware. If you are looking for a green roulis you should consider this shade of green. The color is a little brighter in real life.