Spanish Colonial
 |
Links:
|
 diagram - screw press |
Legal Weight of Silver Coinage from 1728 - 1825, with
tolerances:*
| Denomination | Legal Weight (grams) | Legal Tolerance (granos; grams) | Max. Permissible Weight (grams) | Min. Permissible Weight (grams) |
| 8 Reales | 27.0642 | +/- 4; 0.1996 | 27.2638 | 26.8646 |
| 4 Reales | 13.5321 | +/- 3; 0.1497 | 13.6818 | 13.3824 |
| 2 Reales | 6.7660 | +/- 2; 0.0998 | 6.8658 | 6.6662 |
| 1 Real | 3.3830 | +/- 2; 0.0998 | 3.4828 | 3.2832 |
| 1/2 Real | 1.6915 | +/- 1; 0.0499 | 1.7414 | 1.6416 |
* Resource: The Milled Columnarios of Central and South America, Frank Gilboy, pub. 1999
Related
Links:
General information on pillar coinage www.carlclegg.com