Matrix / Runout (Etched Side A, except "STERLING" & "0" stamped) : SKBO-3-3403 Z12 IAM (in triangle) LH 3 STERLING STERLING
Matrix / Runout (Etched Side B, except "STERLING" & "0" stamped) : SKBO-3-3403 Z13 IAM (in triangle) LH 3 STERLING STERLING
Matrix / Runout (Etched Side C, except "STERLING" & "0" stamped) : SKBO-3-3403 Z12 #3 IAM (in triangle) LH 3 STERLING STERLING
Matrix / Runout (Etched Side D, except 0 stamped) : SKBO-3-3403 Z12 #2 IAM (in triangle) LH 3 STERLING STERLING
Matrix / Runout (Etched Side A, except "STERLING" stamped - Variant 2) : SKBO-1-3403 Z12 IAM (in triangle) LH 3 STERLING
Matrix / Runout (Etched Side B, except "STERLING" stamped - Variant 2) : SKBO-2-3403 Z14 IAM (in triangle) LH 3 STERLING
Matrix / Runout (Etched Side C, except "STERLING" stamped - Variant 2) : SKBO-3-3403 Z12 IAM (in triangle) LH 3 STERLING
Matrix / Runout (Etched Side D, except "STERLING" stamped - Variant 2) : SKBO-4-3403 Z12 IAM (in triangle) LH 3 STERLING
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