The Pan Am Games medals use metals from mines across America.

Pan Am medals unveiled

No two are same, thanks to innovative alloy-mixing technique

The medals for the 2015 Pan Am games were revealed Tuesday morning at the Royal Ontario Museum following a teaser by the Royal Canadian Mint’s twitter account on Monday.

The medals were produced in collaboration with the Mint and Toronto based Gold mining company Barrick Gold Corporation, which sourced metals from Canada, Chile, and the Dominican Republic.

An innovative metal mixing technique called Mokume-gane was used to add individuality to each medal, such that no two medals are the same.

The medals go through 25 production steps and took about two years to completely design, according to the Mint.

More than 4,000 medals will make their way to Toronto this summer for the Pan Am games, which run July 1 –26.