Link to mint - https://en.numista.com/catalogue/mint.php?id=3807
Matthias Howe, Sr. and Jr. - 1610-23, six pointed star or flower, mintmark example - N#422038
Asmus Riekhof - 1623-28, man with halbert, mintmark example - N#129412
Source - standard catalogue of world coins, 6th edition