List of coins:
1 Seniti (F.A.O. - World Food Day) More
| Title | 1 Seniti (F.A.O. - World Food Day) |
| Сountry | Tonga |
| Series | 1981~2006 - Fourth circulation series F.A.O. |
| Start date of issue | 1981 |
| End date of issue | 1996 |
| Distribution | Standard Circulation |
| Mints | Royal Australian Mint, Canberra, Australia | Royal Mint, Llantrisant, Wales, Great Britain (1968~Today) |
| Composition | Bronze |
| Composition details | planchet: 90,8% iron, 1,2% carbon, layers: 8% copper |
| Edge | Plain/smooth |
| Orientation | Medal alignment ↑O↑ |
| Shape | Circular |
| Rim | Raised. Not decorated. Both sides |
| Weight | 1.8 |
| Diameter | 16.51 |
| Thickness | 1.25 |
| Nominal | 1 |
| Currency | Tongan seniti |
| Mintage | 2044000 |
2 Seniti More
| Title | 2 Seniti |
| Сountry | Tonga |
| Series | 1981~2006 - Fourth circulation series F.A.O. |
| Start date of issue | 1981 |
| End date of issue | 1996 |
| Distribution | Standard Circulation |
| Mints | |
| Composition | Bronze |
| Composition details | 90-70% Copper, 10-30% Tin |
| Edge | Plain/smooth |
| Orientation | Medal alignment ↑O↑ |
| Shape | Circular |
| Rim | Raised. Not decorated. Both sides |
| Weight | 3.87 |
| Diameter | 21 |
| Thickness | 1.6 |
| Nominal | 2 |
| Currency | Tongan seniti |
| Mintage | 1352000 |
5 Seniti (F.A.O.) More
| Title | 5 Seniti (F.A.O.) |
| Сountry | Tonga |
| Series | 1981~2006 - Fourth circulation series F.A.O. |
| Start date of issue | 1981 |
| End date of issue | 2005 |
| Distribution | Standard Circulation |
| Mints | |
| Composition | Copper-Nickel |
| Composition details | 75% copper, 25% nickel |
| Edge | Reeded/grained |
| Orientation | Medal alignment ↑O↑ |
| Shape | Circular |
| Rim | Raised. Not decorated. Both sides |
| Weight | 2.8 |
| Diameter | 19.5 |
| Thickness | 1.25 |
| Nominal | 5 |
| Currency | Tongan seniti |
| Mintage | 1141000 |
20 Seniti (F.A.O. - Magnetic) More
| Title | 20 Seniti (F.A.O. - Magnetic) |
| Сountry | Tonga |
| Series | 1981~2006 - Fourth circulation series F.A.O. |
| Start date of issue | 2002 |
| End date of issue | 2005 |
| Distribution | Standard Circulation |
| Mints | |
| Composition | Nickel clad Steel |
| Composition details | planchet: 90,8% iron, 1,2% carbon, layers: 8% nickel |
| Edge | Reeded/grained |
| Orientation | Medal alignment ↑O↑ |
| Shape | Circular |
| Rim | Raised. Not decorated. Both sides |
| Weight | 8.4 |
| Diameter | 28.5 |
| Thickness | 2.2 |
| Nominal | 20 |
| Currency | Tongan seniti |
| Mintage | |
50 Seniti (F.A.O. - Magnetic) More
| Title | 50 Seniti (F.A.O. - Magnetic) |
| Сountry | Tonga |
| Series | 1981~2006 - Fourth circulation series F.A.O. |
| Start date of issue | 2002 |
| End date of issue | 2004 |
| Distribution | Standard Circulation |
| Mints | Royal Mint, Llantrisant, Wales, Great Britain (1968~Today) |
| Composition | Nickel plated Steel |
| Composition details | planchet: 90,8% iron, 1,2% carbon, layers: 8% nickel |
| Edge | Plain/smooth |
| Orientation | Medal alignment ↑O↑ |
| Shape | 12-angular (dodecagonal) |
| Rim | Raised. Not decorated. Both sides |
| Weight | 11.7 |
| Diameter | 32.5 |
| Thickness | 2.4 |
| Nominal | 50 |
| Currency | Tongan seniti |
| Mintage | |
10 Seniti (F.A.O. - magnetic) More
| Title | 10 Seniti (F.A.O. - magnetic) |
| Сountry | Tonga |
| Series | 1981~2006 - Fourth circulation series F.A.O. |
| Start date of issue | 2002 |
| End date of issue | 2005 |
| Distribution | Standard Circulation |
| Mints | |
| Composition | Nickel plated Steel |
| Composition details | ~ 91% Iron, 8% nickel, 1,2% carbon |
| Edge | Reeded/grained |
| Orientation | Medal alignment ↑O↑ |
| Shape | Circular |
| Rim | Raised. Not decorated. Both sides |
| Weight | 4.8 |
| Diameter | 23.5 |
| Thickness | 1.75 |
| Nominal | 10 |
| Currency | Tongan seniti |
| Mintage | |
