https://en.numista.com/catalogue/pieces53806.html
catalog references: Neumann 280, Olding 256 b
Request to expand the list of years of mintage.
D = Aurich - since this coin was minted on different locations too (F = Magdeburg) I'm not quite sure if "East Friesland" is the right place for this coin. I would sugest "Prussia".
1752 D - I own it.
1753 D
http://www.ebay.de/itm/Brandenburg-Preusen-Friedrich-II-1-Mariengroschen-1753-D-Aurich-vz-st-/371493049763?hash=item567eb615a3:g:uE0AAOSwv-NWUy~q
1754 D
https://www.ma-shops.com/toenjes/item.php5?id=28467&lang=en
1755 D
https://www.vcoins.com/en/stores/central_utah_coins/30/product/east_friesland__1_marien_groschen_1755d__vf/322465/Default.aspx
1761 D - already in data base
Between 1750–1763 the letter D was used for the town "Aurich" on Prussian coins.
https://de.wikipedia.org/wiki/M%C3%BCnzpr%C3%A4geanstalt