Watch List notes:

South Africa, ZAR, bronze pattern penny, 1874, oval shield of arms over flags, eagle above, rev. value and date within wreath, EEN PENNY 1874, MUNTSPROEVE below (Hern pp. 399-400, T25; KM Pn1), a rare coin with almost all its original colour, striated tone marks, certified and graded by NGC as Uncirculated, Details, Environmental damage
Hern states of this and similar 1874 pattern pennies, "These were salesman samples, most were produced in a prooflike finish...".

Estimate: 1000 - 1200 GBP