Tetarteron Anonymous - Magnesia
€389,024.00
| Issuer | Nicaea, Empire of |
| Year | 1227-1261 |
| Type | Standard circulation coins |
| Value | Tetarteron (1⁄864) |
| Currency | First Hyperpyron Nomisma (1092-cca. 1300) |
| Composition | Bronze |
| Weight | 3.04 g |
| Dimensions | 18 mm |
| Thickness | |
| Shape and Technique | Round (irregular) |
| Orientation | Variable alignment ↺ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | BCV#2156, DOC IV-2#XXXVII 8 |