14 Apr 1938 ... Ψ ... Ψ:10/Θ
11-15 April 1938 ... Ψ 69 ... Lot Ψ 69
15 April 1938 ... Ψ ... Ψ:24/ΝΗ
14 Apr 1938-31 Dec 1956 ... Ψ 44 ... Lot Ψ 44