Stamp 3 rough paper 1941
39 steps 0.9 microns apart
Twisting reminiscent of cotton but lacks the newtonian interference colours seen for cotton inder DIC.
fibres look like fettuccine or pappardelle because thin-walled and collapsed
17 July 2018 DIC unstained Nikon Ni-E, Nikon DS-Ri2 ©Lin Yangchen
nikon ds ri2nikon ni emicroscopyphotomicrographplant fibrepaperfibre analysisanalytical philatelymalayasmall heads issuepostage stampDICnomarskirough paper1941de la rue