The coin’s reverse depicts an impressive Wedge-tailed Eagle perching on a tree branch.  The design also includes the inscription AUSTRALIAN WEDGE-TAILED EAGLE, the 2017 year-date and The Perth Mint’s ‘P’ mintmark.
For this design, The Perth Mint commissioned American sculptor and engraver, John M. Mercanti, the 12th Chief Engraver of the U.S. Mint.  John Mercanti is renowned for his American Silver Eagle coin design and has produced more coin and medal designs than any other employee in the history of the U.S. Mint.
 
SPECIFICATIONS
No: 17A98AAA
Mintage: 5000
Material: Pure Silver (99.99%)
Finish: Proof
Weight: 1 oz
Dimensions: 40.60mm
Thickness: 4.0mm