score:24
The tablet is almost certainly a modern fake:
Despite Gordonβs certainty about the genuineness of the inscription, he failed to find support from colleagues and, notably, entered into a bitter dispute with Frank Moore Cross Jr (born 1921), Hanc**k Professor of Hebrew and Other Oriental Languages Emeritus at Harvard. Cross pointed to problems with the script, vocabulary and spelling (just about every aspect of the inscription, in fact) demonstrating conclusively that the text was a modern forgery.
This seemed to be something of a pass-time among antiquarians in the 19th century.
As for the coin, if it is indeed a map, I see no reason to interpret the landmass as anything other than Britain, and the little bits labeled "British Isles" as the Channel Islands or, if you want to get really wild, the southern edge of Scandinavia, which is just a tad closer than North America. ("Asia" is likely the Arabian Peninsula)
When you see hoofprints, think horses, not zebras.