Let us get back to a real investigation of the Voynich manuscript. I must confess I find it annoying when people post nonsense like this onto a serious interdisciplinary discussion group composed of people who have thought deeply and struggled with the best of their intellect and experience to read the Voynich manuscript.
Coins dating back to 50,000 years ago ! Oh no! These were no doubt dropped by the green men from Sirius B who were on Earth genetically modifying sea slugs to make human beings as an experiment in evolution.