Katanga 20 Francs banknote, 1960 issue, certified PMG 63 Choice Uncirculated with “Cancelled” designation. Pick 6a example bearing serial number GH280002, printed by Roto‑Sadag in Switzerland. Shows factory‑cut misalignment on the left and lower margins, as well as a cancellation punch over the face value. A rare uncirculated piece from the first monetary issue of the State of Katanga.

Multicolour printing proof of the 50 Francs Katanga note, related to Pick 7r, without date, serial numbers or signatures. Printed in red, pink and blue, with multiple overlapping layers of obverse and reverse designs, showing duplication, misalignment and overprinting that reveal intermediate production stages. Classified by PMG as Ineligible Type — Printing Proof, this is an exceptionally rare piece.

100 Francs banknote from Katanga, 1960 issue, certified PMG 63 Choice Uncirculated. This is the Pick 8r type, a genuine remainder printed by Roto‑Sadag in Switzerland, without serial number, date or signature. A very rare example from Katanga’s first monetary issue, with excellent eye appeal and strong historical and collector interest.

Intermediate printing proof of the 500 Francs 1960 Katanga note (Pick 9r), produced by Roto‑Sadag during the alignment and color‑registration phase. The obverse shows three printing layers without the final black layer (signatures, date, serial numbers), while the reverse displays only the first brown layer. An exceptionally rare production artifact.

Printing proof and colour proof of the Katanga 500 Francs 1960 banknote (Pick 9r), PMG Ineligible Type – Remainder (Printing Proof). This variant shows three complete printing layers on the reverse, while the obverse displays only the first brown tonal layer, revealing an early stage of the production process. It is a technical piece of exceptional rarity.

Printing Proof and Color Proof of the 1000 Francs 1960 banknote (Pick 10r), PMG Ineligible Type - Remainder (Printing Proof). It received the three normal printing layers on the obverse and reverse, but without the final black layer. The singular characteristic of this piece is the complete surcharge of the reverse of the 500 Francs note (Pick 9r) applied over the reverse of Pick 10, revealing a technical workshop error and an extremely rare reuse of plates.

Printing Proof – Color Proof of the 1000 Francs 1960 banknote (Pick 10r), PMG Ineligible Type (Printing Proof). It received the three normal printing layers on the obverse and reverse, but without the final black layer. The singular characteristic of this piece is the complete overprint of the obverse of the 500 Francs note (Pick 9r) applied over the obverse of Pick 10r, revealing a technical workshop error and an extremely rare reuse of plates.