Very Good England (Great Britain) Charles II silver crown coin.
Extremely rare legend error variety with T/R in reverse legend "ET" (top part of R is bold the forward leg of the R is faint.
Certified by PCGS to VG 10, Population Census: This coin, none higher (NGC 1/2).
S-3357, English Silver Coins 42A (rated as R4 (11 to 20 examples known)).
Type of coinage used in American Colonies.