Dumont, G.A.L. - Panama (République indépendante)
Essai sur ses Timbres-Poste Surchargés (1903-1908)Publisher: Maison M. Poulot, Paris, nd [circa 1931].
Reprinted from Bulletin des Philatélistes, paperback, illustrated, 22 pages, text in French, slight wear to the covers, some corner-creasing, in Good condition.
Rare.