| Added by |
 Andrei C
|
| General Description | Black, purple and brown-orange on multicolor underprint. Watermark: J. Vega. |
| Front Description | J. Vega at right, geometric design and calculations at left center |
| Back Description | Academy at upper left, planets and geometric design at center. |
| Catalog code | P#13a |
| Height | 66.00 mm |
| Width | 132.00 mm |
| Material | Paper |
| Catalog prices | UNC $1.50 |
