Watch List notes:

Botswana, Sir Seretse Khama, 10th anniversary of Independence, proof silver five pula, 1976, bust l., rev. National Assembly building (KM.9); Papal visit of John Paul II to Botswana, 1988, proof silver five pula, National Arms, rev. bust of the Pope l. (KM.20), in Royal Mint case with certificate, both brilliant mint state (2)
The portraits on both coins by Stuart Devlin, the former from a sitting in London.