Bicentennial Trip Baron Alexander Von Humboldt to the Americas and Mexico

Catalog codes:
- Michel: MX 2817
- Stamp Number: MX 2176
- Stanley Gibbons: MX 2605
Emission: Commemorative
Perforation: comb 13½ x 13¼
Printing: Offset lithography
Colors: Multicolor
Number issued: 300,000
Face value: $3 - Mexican peso

Reference
Colnect.com