Well ... Φ-3 Lot Φ 19 L 18:2 ... 25 May 1937
Well ... Φ-3 Lot Φ 18 L 18:2 ... 24 May 1937
Well ... Φ-3 Lot Φ 17 L 18:2 ... 21-22 May 1937
Well ... Φ-3 Lot Φ 16 L 18:2 ... 15 May 1937