Barcode and Other Identifiers:

Matrix / Runout (A side runout, variant 1): 2066637 A // 1 420 05 1 4 2
Matrix / Runout (B side runout, variant 1): 2066637 B // 1 420 05 1 4 2
Matrix / Runout (A side runout, variant 2): 2066637 A // 1 420 05 15 3
Matrix / Runout (B side runout, variant 2): 2066637 B // 1 420 05 13 11
Matrix / Runout (A side runout, variant 3): 2066637 A // 1 420 05 12 7
Matrix / Runout (B side runout, variant 3): 2066637 B // 1 420 05 11 5
Matrix / Runout (A side runout, stamped, variant 4): 2066637 A // 1 420 05 12
Matrix / Runout (B side runout, stamped, variant 4): 2066637 B // 1 420 05 13 5