| Name | Issues/Designs | |||
| Ecuador | — | — | Map of d - Cotopaxi, Ecuador 2019 | |
| Greece | — | — | d - andradite, Serifos Island, Greece 2018 | |
| Morocco | — | — | d - celestine of Morocco 2018 | |
| Pakistan | — | — | d - Brookite, Baluchistan, Pakistan 2018 | |
| Romania | — | — | d - andradite, Banat Mountains, Romania 2018 | |
| Zimbabwe | — | — | d - Euclase from Zimbabwe 2018 |