The story that the backs tell us
We will not show re-gummed stamps, simply because it does not show well on a scan.
But we will try to explain what certain marks mean and by who they are made.
Example of a block of 4, no. 30B
On the board the overprint is marked “B.6 & B.4”
The reverse:
The four marks in detail:
The numbers 91-92-93-94 indicate the position in the sheet.
B6-4, B6, B4, B6, tells us what kind of (hand) surcharge it is.
Signed: SRB =
This is of course all very meaningful.
Database of marks and signatures:
or 
E.D. =
G.L. =
G.V. or V.G. =
CBE = “Committee Belgian of Expertise"
The signature is from Nysten
(a known forger from
SP8?
Combined signed
SP*?
G.T. ="Gelly and Tany",
(
V.D. =