2 Dollars - Elizabeth II Knowledge - Gold center and ring

The standard "toonie" introduced in 1996 uses an aluminum bronze center in a nickel ring — this gold version was produced as a collector variant, not for circulation. The RCM has issued bimetallic gold pieces in limited quantities tied to millennial commemorative programs, and KM#399b sits in that narrow window of late-1990s prestige issues where the mint was experimenting aggressively with precious-metal adaptations of circulating designs.

The dual-gold construction — two distinct alloys differentiated by karat rather than metal type — is an unusual technical approach that required separate planchet sourcing for center and ring.