Catalog
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| Issuer | Bank of Botswana |
|---|---|
| Year | 1991-1996 |
| Type | Log in to see details |
| Value | Log in to see details |
| Currency | Log in to see details |
| Composition | Log in to see details |
| Weight | Log in to see details |
| Diameter | Log in to see details |
| Thickness | Log in to see details |
| Shape | Log in to see details |
| Technique | Milled |
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| Engraver(s) | Log in to see details |
| In circulation to | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Log in to see details |
| Obverse lettering | Log in to see details |
| Reverse description | Log in to see details |
| Reverse script | Log in to see details |
| Reverse lettering | Log in to see details |
| Edge | Plain (KM#4a.1, 1991) or Reeded (KM#4a.2, 1996) |
| Mint | Log in to see details |
| Mintage | 1991 - KM#4a.1 Heaton , Birmingham (smooth edge, small value and year number, smaller bough and beak)) - 1996 - KM#4a.2 South African Mint (reeded edge; thick letters + numbers, redesigned coat of arms with small animal) - |
| Additional information |
The KM#4a designation marks the transition from the original bronze composition to bronze-clad steel — a cost-driven recoinage decision common across sub-Saharan Africa in the early 1990s as copper prices made small-denomination bronze coins economically irrational to produce. Botswana made the switch quietly, with no public announcement distinguishing the new planchet type from its predecessor in circulation.