80 percent cotton US product 20 percent abaca or manila hemp Philippine local product two material,no linen or wool or silk,still it is good other coin have bimetal other have trimetal or more.
Just like a mirror image,that will make the printing plate in reverse and the images in banknote is same as the master plate but not a direct print from a master plate or like cast coin to stamp coin.
Just hope that other news paper in the philippine can archive there topic in one page sometimes topic is ongoing and need to be updated,just like what others did cutting and clipping cartoon editorial in MB in the past.
No overprinting please print just on what is accounted for it might turn up like a credit card printing and deducting with bunch of reciept,not equated in coins and products banknote is a representation of physical product,coins and other income,just a comment.
In the past others using pulp wool or old mailing bag like banknotes in GB.
There is also someone studied a japanese I think about the fiber in coconut or its by product like nata de coco that the fiber is strong and can be use in different ways.