Content: 1 troy oz. of .999 fine silver

Content: 1 troy oz. of .999 fine silver

Mint: Perth Mint Australia 

Denomination: 5 dollars

Weight: 31.103 g

Purity: 99.9%

Year: 1991

Description: This coin features a Kookaburra perched on a tree branch, with the inscription "AUSTRALIAN KOOKABURRA 1 OZ. 999 SILVER 1991".

This coin is part of the Australian Kookaburra series, which features annual design changes depicting the kookaburra, a large bird native to Australia. 

The obverse typically features an effigy of the reigning monarch, in this case, Queen Elizabeth II, and the monetary denomination. 

These coins are minted by the Perth Mint in Australia and are considered legal tender under the Australian Currency Act 1965.