The Type 1 of the first series was signed by Tun Ismail with old Malay Spelling of "Di-perlakukan" and "Gabenor"
The Type 2 of the first series adopted the new Malay spelling "Diperlakukan" and "Gabenur"
The Type 3 of the first series was issued in 1976 with some changes to the left corner of the note. It is noted that the "$1" on the bottom left corner had been removed. A relative small dollar sign ($1) was introduced at the top left corner.
The Type 3 of the first series changed made on the "$1"; Noted that it was removed from bottom left to top left but with relatively small sign
The Type 4 of the first series was signed by Tan Sri Dato' Abdul Aziz bin Haji Taha