If anyone needs a GV-1, there's one for sale on KEH for 109 bucks.
This is a better finder than the newer version, brighter and with frame lines for 21 and 28mm.
|_ERN9064 by ernesto juarez|
from Shoot yourself ! (with your camera)
|walkersons fields by George Veltchev|
from -Waiting for Autumn- (in Full Colours Only)