ISO of cyanotype paper?

[auburnxc]

Sun Art Paper/ Traditional cyanotype. About 4.5 inches deep with a "pretty big" pinhole. I haven't measured it but it's much wider than a pin.

 

[auburnxc]

In-camera cyanotype, 16 oz. beverage can pinhole camera. New cyanotype chemistry (brush application, dried for two days) on 100% cotton deckle paper, 9hr. exposure.