I just got a danish made Mb 30 to complement my 25, and i made some shots to show the difference in size.
The 30 has about the same girth as a modern 146 and the same size nib (6).
It just needed a new sack and a quick cleaning before it was ready to use, and it has a very nice and smooth nib.
They were made between 1935 and 1946.
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