According to a diploma, published in Diário da República, in the case of the €7.5 coins from the “ISEG 111 Years” collection, the Mint is authorised to mint 2,889 coins in silver alloy “with a content of 92.5% with a special finish” and 111 silver alloy coins “with a minimum content of 99.9%”, for a total amount never exceeding €247,500.

In the case of the “20 Years of Euro” collection, the limit is €165,000 and up to 3,000 coins will be minted in silver.

The diploma does not attach images of the appearance of the new coins.