Jeddah Three Line Overprint - Legend of Scotts numbering system

I. Small 3 line overprint
A. Reads Up
1. Roulette 20
a. blue L77a (89)
b. red L78 (88)
2. Roulette 13
a. blue L79a (91)
b. red L80 (90)

B. Reads Down
1. Roulette 20
a. blue L77 (89a)
2. Roulette 13
a. blue L79 (91b)
b. red L80a (90b)

II. Large 3 line overprint
A. Reads Up
1. Roulette 13
a. red L81 (94a)