

Ancient Roman coins
14k+ coins · up to $50,000
Browse Catalogue
Explore popular collecting categories, from ancient Roman to rare American.


Want to check your coins value? Get it evaluated first, then list to verified buyers.




MOBILE APP
Identify coins using your camera. Your collection syncs across devices.
1M+
Daily users
4.3+★
User feedback rating
1.5M+
Items cataloged
20K+
Community members


Estimated Value
No recent market data yet
Name or Denominations
300 Dollars 300 CAD = USD 217
Issuer
Canada
Ruler
Charles III (2022-date)
Year of Minting
2025
Currency
Dollar (1858-date)
Shape
Round
Rarity
Ultra rare
Weight
31.16 g
Diameter
30 mm
Thickness
NA
Material
Platinum (.9995)
Shape
Round
Edge Type
Reeded
Technique
Engraved , Inlaid , Milled
Front design
Head of Charles III, as at 74 years of age, facing left.
Back design
Set against a matte field, the reverse design features two sugar maple (Acer saccharum) leaves floating in the wind and positioned in a way that suggests a circular motion. The engraved design is embellished with a 0.23-carat, AAA-grade, pear-shaped, rose-cut aquamarine gemstone, which stands in for a sparkling water droplet.
Year of Minting
2025
King
Charles III (2022-date)
Mint location
Royal Canadian Mint of Ottawa , Canada (1908-date)
Mint mark
NA
Orientation
Medal alignment ↑↑
Inscriptions
Obverse: CHARLES III D·G·REX 300 DOLLARS SR Reverse: CANADA 9995 2025 PLATINUM 1 OZ PLATINE CD
Rarity
Ultra rare
Coin type
Non-circulating
In circulation
Yes
Demonetized
No
Marketplace listings
0
Subscribe to Premium
Unlock more coin details with Premium.