There are generally three (3) types of tin bird figures and ingots; those with a base or stand, those without any stand (as like items NJ 42 to NJ 49) and those with rings (Ring Currency or Animal Ring Currency).
NJ 42
(Length - 28mm)
NJ 43
(Length - 33mm)
NJ 44
(Length - 38mm)
The head of this figure is quite similar to an item in my collection.
NJ 45
(Length - 34mm)
NJ 46
(Length - 50mm)
NJ 47
(Length - 44mm)
NJ 48
(Length - 25mm)
This figure looks like a duck. Tin figures in the shape of a duck is very rare.
NJ 49
(Length - 42mm)
This figure that looks like a peacock with spreading wings is extraordinary.
Note - Photographs are reproduced from original source taken circa 1987.