dezorz Posted November 8, 2016 Share Posted November 8, 2016 Thanks to Bo Bo Olson we know about rigidity od different vintage german piston fillers. Osmias with number in a diamond are semi flex, osmia supras maxi semiflex, geha school pen flexible, geha 720, 760, 790 semi flexes, etc. But I couldnt find similar information about rigidity of montblanc nibs. are MBs from 30s more flexible than from 50s? are 2s different from 4s or 6s? are nibs from 3xx models different than ones from 2xx or 1xx? what about wing nibs from 25x? or from 1x,2x,3x? steel ones from third tier models different than gold ones? Link to comment Share on other sites More sharing options...
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