Select Date of Issue:
| 1904 (Spanish) Jan 6 13 20 27 |
| 1904 (Spanish) Feb 3 10 17 24 |
| 1904 (Spanish) Mar 2 9 16 23 30 |
| 1904 (Spanish) Apr 6 13 20 27 |
| 1904 (Spanish) May 4 11 18 25 |
| 1904 (Spanish) Jun 1 8 15 22 29 |
| 1904 (Spanish) Jul 6 13 20 27 |
| 1904 (Spanish) Aug 3 10 17 24 31 |
| 1904 (Spanish) Sep 7 14 21 28 |
| 1904 (Spanish) Oct 5 12 19 26 |
| 1904 (Spanish) Nov 2 9 16 23 30 |
| 1904 (Spanish) Dec 7 14 21 28 |
| 1904 (Spanish) Indices Annual |