Liberia, 1936, 6¢ on 3¢ Bister Brown. 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, Very Fine and choice; signed Kessler. Scott No. C2  Estimate $150 - 200. $0 (Image)

Liberia, 1936, 6¢ on 3¢ Bister Brown. 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; cover slightly reduced at left, Very Fine. Scott No. C2  Estimate $150 - 200. $0 (Image)