The Guangdong Genvana fountain pen that was kindly sent to my by Markus.
Measurements:
Length (capped): 133.3 mm/5.24”
Length (uncapped nib-end): 117.3 mm/4.62”
Length (posted): 161.2 mm/6.34”
Barrel Diameter: 12.2 mm/0.48”
Section Diameter: 8.1 – 10.2 mm/0.32” – 0.40”
Weight (all): 38 g
Weight (cap): 16 g
Weight (body): 22 g