Obverse
HM King Charles III facing left, country name, denomination, designer's initials
Lettering: CHARLES III AUSTRALIA 1 DOLLAR DT
Reverse
Streamers and confetti; theme and date at center. Mint mark at left
Lettering: HAPPY BIRTHDAY 2025 P
Extended information
Year
Denomination
Currency
Metal
Aluminum-Bronze (Partially colorized)
Ruler
Weight
13.5 g.
Diameter
30.7
mm.
Thickness
3.4 mm.
Alignment
Medal ↑↑
Shape
Round
Edge
Reeded
