The Singapore Mint unveiled three types of commemorative coins on Tuesday ahead of a historic meeting between US President Donald Trump and North Korean leader Kim Jong-un.

Unveiling the three commemorative gold, silver and base-metal pieces, the company said it was excited to document history through minted coins and medallions, reports Xinhua news agency.

The medallions will commemorate the meeting as a “momentous step to world peace” and mark Singapore as “an economic and security gateway between the East and the West”, according to a statement published on the company’s website.

One side of the coin features a handshake between the two leaders with the respective flags of both countries as the background, while the reverse side shows a dove with the slogan “World Peace”.

Only a few thousand pieces of Singapore’s commemorative coins have been made and were open for pre-order from the mint on Tuesday.

Trump and Kim are scheduled to meet at 9 a.m. on June 12, the White House said on Monday.