Lot
1877 
Liberia, 1936, 6¢ on 2¢ Violet, "Vir Air Mail" Surcharge, Cockrill fourth printing (No. 9), tropicalized o.g., wonderfully rich color, fresh and attractively centered, Very Fine, a rare First Airmail Provisional Trial Overprint. Sanabria No. 7. Scott No. C1 var. Estimate $300 - 400.
Realized: $220