@hooiyewlim 14 January 2022 more from that month

Brunei 1990 Specimen coin set https://youtu.be/JqpWtK32J7M **Technical Specification:** Year of Issue: 1990 Material: All Cupro-nickel except 1 cent is copper-clad steel Mintage: unknown **(Denomination):(Standard weight):(Standard Diameter)** 1 dollar: 16.8gm: 33.3mm 50 cents: 9.33gm: 27.7mm 20 cents: 5.65gm : 23.5mm 10 cents: 2.82 gm: 19.4mm 5 cents: 1.41gm : 16.26mm 1 cents:1.74gm : 17.70mm Minted by The Singapore Mint