Compare with BOP's 'Treen' version which he seems to have incorrectly to have interpreted as a Penwith milestone. This is a unique type of transparent granite indigenous to countries in East Europe (or else he has save his pic back-to-front). You're reading SVIT 5 from the wrong side. This is not Penwith. The signpost is indicating a village in the Czech Rep. which lies 5km away from the spot in the year Md [sic] (1500). The mason that scribed this was not hot on Roman numerals and thought 'd' = 500 when it should have been 'D'