Dear Harald Zierock

There is no list of Sudan perfins but there is only a few.

Offical Stamps Puntured S G

1900 SGO1 5mm
1901 SGO2 1mm
1922 SGO21 3mm
SGO22 4mm
SGO23 5mm
SGO24 10mm

1927 SGO25 3m
SGO26 4m
SGO27 5m
SGO28 10m
SGO29 2P
SGO30 5P
SGO31 10p

ARMY SERVICE stamps

1913 SGA17 1m
SGA18 2m
SGA19 3m
SGA20 5m
SGA21 1P
SGA22 2P
SGA23 2P Purple and Blue

SGA24 5P
SGA24a 5P Chalk surfaced paper
SGA25 10 Pm