Obock

Obock was the port of the same name and its surrounding region in northeast Africa, west of Aden.

 File:Obock 1f curved.jpg|1f curved overprint File:Obock straight overpt.jpg|75c straight overprint File:Obock Groupe.jpg|2c type Groupe File:Obock pict 4c.jpg|4c pictorial 
 * In 1892, French colonial type Alphée Dubois stamps were handstamped with a curved OBOCK. The 4c value has been reprinted.
 * Also in 1892, type Alphée Dubois stamps were handstamped with a straight OBOCK overprint.
 * Also in 1892, four values of the previous straight overprints were surcharged in new values in large type, using just the number or with "F" added for the 5f surcharge.
 * Finally in 1892 again, the type Groupe series for Obock was issued.
 * In 1893, 2f and 3f triangle pictorials on quadrille paper were issued.
 * These were followed in 1894 by rectangular pictorials on quadrille paper, with high values once again in triangle format.

Postage due

 * In 1892, imperf French colonial dues in black or brown were handstamped with a curved OBOCK.
 * Also in 1892, imperf French colonial dues in black or brown were handstamped with a straight OBOCK. But you probably guessed that.

