Unknown 45 mm HE

[zünder]

I am looking for information about this 45 mm HE shell.

Length: 145 mm
Caliber: 45 mm
Width of drivingband: 20 mm

No markings what so ever.

[HAZORD]

Zunder,

That looks like a 3 Pdr (47mm) with Nordenfelt design rotating band. Could it be 47mm? Nordenfelt design material was used around 1890.