The "marker" test checks for starch, which wood pulp paper has, but currency rag pulp paper doesn't. But it's security theater: minimally competent counterfeite

The "marker" test checks for starch, which wood pulp paper has, but currency rag pulp paper doesn't. But it's security theater: minimally competent counterfeiters would just buy $5 worth of rag pulp resume paper from office depot...