Those of you with a Speed Graphic have the enviable use of a shutter with these barrel lenses.
Here's a 190mm f: 3.2 lens (72mm filter ring) on the Speed Graphic board.
The completed, mounted lens on the SG board: $135 + USPS shipping.
A second photo shows the lens with a filter and lenshood (extra cost) on a Speed Graphic board.
A yellow filter and hood would add $35 to the cost if you so desire.
Some photo's made with this lens can be seen here: