Singapore 1976 2nd Bird Series 10 dollars banknote

Here is my video about this banknote

Size: 141mm x 69 mm

Printer: T.D.L.R

Year issue: 1979

Prefix: A/1 -A/63

Replacement Prefix: Z/1, Z/2, Z/3, Z/4

Signature on the banknote: Mr. Hon Sui Sen

There are 2 types of variety, one with a straight security line, another one with a broken security line