Watch List notes:

Denmark, Kingdom. Christian VIII CU 1/5 Rigsbankskilling. Altona mint, 1842 FF. CHRISTIANVS VIII D:G: DANIÆ V.C: REX, head to right; K below bust, privy marks divide and flank date below / Crown over crossed sword and sceptre; denomination below. KM 724.

NGC graded MS 64 RB (#6027927-018). Lustrous.

From the inventory of a UK dealer.