| Issuer | Brunei |
|---|---|
| Year | 1968-1977 |
| Type | Standard circulation coin |
| Value | 20 Sen |
| Currency | Ringgit / Dollar (1967-date) |
| Composition | Copper-nickel |
| Weight | 5.65 g |
| Diameter | 23.62 mm |
| Thickness | 1.4 mm |
| Shape | Round |
| Technique | Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | Christopher Ironside |
| In circulation to | |
| Reference(s) | KM#12, Schön#15 |
| Obverse description | |
|---|---|
| Obverse script | Latin |
| Obverse lettering | SULTAN HASSANAL BOLKIAH I |
| Reverse description | |
| Reverse script | Latin |
| Reverse lettering | KERAJAAN BRUNEI 1977 20 SEN |
| Edge | Reeded |
| Mint | |
| Mintage | 1968 - - 510 000 1970 - - 850 000 1970 - Proof - 4 000 1971 - - 450 000 1973 - - 450 000 1974 - - 700 000 1976 - - 640 000 1977 - - 640 000 |
| Numisquare ID | 6456029180 |
| Comments |