Mail parcel stamps:

 

1887, 1^st Augustus.

Circulation: 300 stamps.

3,50f on 5f lilac. Overprint: Colis Postaux Fr. 3.50

PK1

 

Curiosities:

PK1-Cu1         Reversed overprint

PK1-CU2        Double overprint

PK1-CU3        Vertical overprint

Variation: strip of 3, the middle without overprint

Forged overprint:

 

Bibliography:

Van Bleyenberghe, Jules,

“Timbres surchargés "’COLIS POSTAUX Fr. 3,50’", in Balasse Magazine, n° 79, décembre 1951:230-231; n° 80, février 1952:28-29.

 

1887, 1^st December

Circulation: 500

Hand overprint, in black, blue or gray-brown (also named: burned overprint)

PK2. 3,50F on 5F violet

Curiosities:

PK2-Cu1         Reversed overprint

PK2-Cu2         Double overprint

 

1889, April

PK4. 3,50F on 5F violet, overprint in double framework

Circulation: 500 to 1,000

PK4-Cu1 reversed overprint:

 

PK4-Cu2 double overprint:

Curiosities:

Forged overprint:

 

PK5. 3,50F on 5F gray, overprint in double framework

Circulation: 1,000 to 2,000

  PK5. (Black overprint)

 PK5-Cu1. Reversed overprint (blue)

PK5-Cu2. Double overprint.

For a special update study see: Henuzet, Charles & Léo Tavano Etat Independant du Congo. Emission Leopold II-1886. Nos Bessons Africains. Tome II. Liege, 2003.