100 Mon "Ryūkyūtsūhō" ND Rare standard circulation coin issued by Kingdom of Ryukyu, oval shape, thickness measures 2.3 mm, demonetized.
½ Shu "Ryūkyūtsūhō" ND 1863 year Very rare standard circulation coin issued by Kingdom of Ryukyu, round with a square hole shape, thickness measures 2.5 mm, demonetized.
1 Mon "Taisetsūhō" - Shō Taikyū ND 1457 year Extremely rare standard circulation coin issued by Kingdom of Ryukyu, round with a round hole shape, thickness measures 1.0 mm, demonetized.
| | |
| Copper (Cast copper alloy) | - | 23.0 mm |
1 Mon "Sekōtsūhō" - Shō Toku ND Extremely rare standard circulation coin issued by Kingdom of Ryukyu, round with a square hole shape, thickness measures 1 mm, demonetized.
| | |
| Copper (cast copper alloy) | 3.58 g | 23 mm |
Ryukyu, Kingdom of 
1 Mon "Kinenseihō" - Shō En ND