This pen was kindly sent to me by William – thanks a lot!  A nice, light pen, with a surprisingly springy nib.

Measurements
Length (capped): 133.1 mm/5.23″
Length (uncapped): 118.3 mm/4.66″
Length (posted): 146.6 mm/5.77″
Diameter (barrel): 7.6 – 10.9 mm/0.30″ – 0.43″
Diameter (section): 8.5 – 10.5 mm/0.33″ – 0.41″
Weight (all): 13 g
Weight (cap): 9 g
Weight (body): 4 g