Differences in the edge lettering on planchets made in Norway and England. On the planchets from England there is a bigger distance between the last letters in the words DOVRE and FALLER (see pics for more info). Coins exists with both text pointing to obverse and reverse side, total 4 different varieties. In addition 2 of these have die doubling, total 7 different confirmed varieties.
Mintage: Norwegian planchet - 382,000. English planchet - 1,026,000