Lot
2887 
Mexico, 1934, 1c-1p Pro Universidad, on reverse of cover in combination with Airmail 1934, 20c-1p Pro Universidad + Postal Tax 1934, 1c Pro Universidad on registered First Day of Issue cover to France, all tied by "Mexico D.F., Servicio Aereo, 1 Set.34" cds's, Very Fine. Scott No. 698-704, C54-C58, RA13B Estimate $300 - 400.
Realized: $325