Watch List notes:

Banque du Congo Belge, obverse and reverse colour trial proof 500 francs, ND (1941), Mangbetu woman and Belgian Congo flag at centre, reverse Dutch text, heard of elephants in river watched by African man with spear in jungle, (Pick 18ct, TBB B220at), lighten shades and colour than on the issued note, as made, rare.

Estimate: $3200 - $4500