Debated issue most references Ive found has been that these are bogus revenues
1883 Issue1 2 lying 8s horizontal
10B blue, 10B blue on violet, 10B green, 20B brown
1883 issue 2 3 lying 8s horizontal
10B black on green, 10B blue on red, 10B blue on white, 10B blue on green, 10B blue on violet, 10B green on yellow
20B black on red, 20B blue on white
30B black on yellow
50B black on blue, 50B black on yellow