Examples of the type

Private collection
ND (1973) – (en) Replacement note; Prefix Z/22 to Z/30; Even numbers only; Watermark springbokSignature: TWJ(en) Replacement note; Prefix Z/22 to Z/30; Even numbers only; Watermark springbok

Private collection
ND (1975) – (en) Replacement note; Prefix Z/32 to Z/38; even numbers only; Watermark van RiebeeckSignature: TWJ(en) Replacement note; Prefix Z/32 to Z/38; even numbers only; Watermark van Riebeeck