Lovingly used Aeterna Prototype in Nikko Deep Green Ebonite. Medium. Very similar to final Aeterna version. I eventually settled on a much longer section with a defined lip. new price would have been $235. Used Price is $155.
Available with your choice of #6 JoWo Steel nib, tuned and smoothed by Mark Bacas, @nibgrinder. Price: $180 + shipping.