37mm

[PeterC]

Need some help with this one....37 x 195mm. Projectile is held in by 3 'dot crimps'. Not sure if projectile is original, remains of white over red bands close to tip. No headstamp, appears to be an early case type.

 

[Hoeksel]

I estimate this to be a very early (1880-1890) 37x197R 1.5 inch Nordenfelt shell case. I would love to hear the rim diameter for my reference list!

 

[ron3350]

The case is a 1.5" Navy heavy Nordenfelt.
The projectile looks correct and usually has N 89 and N stamps. I have not seen any with paint but possibly it is original.