Liberia, 1936, 6¢ on 1¢ Green Official. Tied by "Monrovia, Liberia, 28. II. 36" cds's on flown First Liberian Air Mail Service corner card cover to Cape Palmas, with "Harper, Liberia, 28. II. 36" receiving cds on front and reverse, Very Fine and choice. Scott No. C3  Estimate $150 - 200. $0 (Image)

Liberia, 1936, 6¢ on 1¢ Green Official. Tied by "Monrovia, Liberia, 28. II. 36" cds's on flown First Liberian Air Mail Service cacheted cover to Harper, with "Harper, Liberia, 28. II. 36" receiving cds on front and reverse; cover with a few light creases and small tears at top, otherwise Very Fine. Scott No. C3  Estimate $100 - 150. $0 (Image)