Revive Vintage Pens

My fountain pen collectors and I have a dream of restoring many Japanese Vintage fountain pens that we have collected for 70 years. However, this is not going to happen without your support. I know a lot of you love vintage fountain pens and it would be so sad to see all vintage fountain pens go away without finding a new owner to take care of them.
We would love to know the type of vintage fountain pen you like. After this survey, if we receive more than 60% support from you, we will use all of resources and