Lot
1689 
Mexico Official Free- Franking Privilege Covers. 3 1901-17 covers, to Europe and U.S. sent stampless by different official entities; registered from Tampico (Post office business-1901), Tacubaya Observatory (1907) and registered from the Monetary Commission (1917) with 2 sunburst certification labels, Very Fine. Estimate $150 - 200.
Realized: $150