Extra Rapid Euryscope, Series IV 3 F.6
The Voightlaender & Son Optical Co., New York
C. Weichsel Co., Dallas, Texas
Beautiful brass lens with flange. I believe it is around 11.5-12 inch focal length for 8x10 format. Aperture works fine. Glass is good, with no haze. Front rim has some corrosion.
$375 plus postage. Paypal accepted. Also have Packard shutter for $50.