Hello Swedishcopper,
Later Published Brekke and Bekken Supplement and put all information in one book By Tom W. Bakken
Book Description:
"The listing of a 2 kopek struck over a Swedish 1 ore piece in Brekke is an error.It have been a 1 kopek as mention by the Grand Duke in his corpus" and deleting listed Brekke #93, page 92 published in error
Kopecks of 1757,1758,1759 struck on Swedish 1 ore in following reference numbers Brekke #73a,82a,83a
Rarenum