TNP, 17 Mar 2017, MAS looking at legal tender limit for coins
$2 per denomination for five-cent, 10-cent and 20-cent coins, and $10 for 50-cent coins. There is no current limit for payment using one-dollar coins.
Uniform legal tender limit of 10 coins per denomination in a single transaction for all denominations. This means that a payer can use up to 10 pieces each of five-cent, 10-cent, 20-cent, 50-cent and one-dollar coins per transaction. The maximum amount you can use coins to pay for a single transaction is S$18.50.