Watch List notes:

(x) Rwanda, President Grégoire Kayibanda (1962-73), Proof 10-Francs, 1965 (10), by A. Colombo, edge milled, 3.75g, 6h; 3.72g, 6h; 3.76g, 6h; 3.74g, 6h; 3.73g, 6h; 3.75g, 6h; 3.77g, 6h; 3.79g, 6h; 3.74g, 6h; 3.72g, 6h (Schön 5; KM 1), handling marks, otherwise about brilliant uncirculated (10).

Estimate: £700 - £1,000