Square Edge

A - green
W – white, red, green, BLACK (Black monogram chips are rar..., ummmm, unusual)
X – red

Rounded Edge

A – white, red, blue, green, yellow
B – red, blue, brown
C – white (dirty)
E – blue
G – red, yellow, brown
M – blue (heavy cigarette burns)
P – red, blue
S – white, light red (NOT pink)
V – blue, yellow
W – white, red, blue, yellow
X – blue, yellow

Rounded Edge with Different Letter on Each Side

G/C – yellow
E/S – blue
R/S – blue
E/c – blue
P/C – white
R/J – gray? (heavy cigarette burns)