2010 - Sri Lanka - Currency note Security

• Watermark Each currency note depicts a different bird as the watermark, which is the same bird portrayed on the note. In addition, the value in numerals appears vertically as a highlighted watermark.

   

• Security thread
  The security thread in Rs. 20, Rs. 50 and Rs. 100 is a thin polyester thread embedded in to the note with the letters CBSL and the denomination, while a Starchrome, security thread which changes colour from red to green is included in Rs.5000, Rs.1000 and Rs.500 with the width of 3mm, 2.5 mm and 2 mm, respectively.

   

• Cornerstone
  Cornerstone. watermark appears in the form of diagonal bars at each corner of every currency note.

   

• See through
  When the note is held up to the light, the numeral value of each note on the front (near the butterfly) comes together in perfect register with the reverse, on the back of the note.

   

• Extra small text
  When viewed closely below the butterfly, an area of text reading "CBSL" and the numeral value can be seen in all the notes.

   

• Blind recognition feature
  A vertical order of heavily printed dots (with one dot for Rs. 20 note) progressing according to denomination appears on the left side of the note to help the visually impaired to recognize the denomination.

   

• Raised print area
  A raised printed area with greater tactility is noticed in several places on the notes. e.g. On the front of the note - the Bank title, the central images, the value at the bottom edge of the note and on the back of the note - the value at the bottom in numerals.

Text edited from CBSL Press Release and webpage.