Main image
Imperial
engineer Heinrich Lampe
Walzer

Runouts are stamped, except HL which is etched.
Matrix / Runout: K-C 0258 (Label side A)
Matrix / Runout: K-C 0259 (Label side B)
Matrix / Runout: P K-C 0258 HL (Runout, side A)
Matrix / Runout: P K-C 0259 HL (Runout, side B)