Hi!
For this coin:
https://en.numista.com/catalogue/pieces39953.html
The list of dates states that it is complete and verified. However I have this coin with a different mint mark combination and I cannot add it.
I have 1768 GB-GA, with "D∀CAT" on the reverse:
The same as this one:
https://www.ma-shops.co.uk/emporium/item.php?id=15296
Thanks!