1. Optically variable ink (OVI): OVI used in the numeric Bengali inscription
appears golden when looked directly and green when viewed obliquely.
2. Security thread: Holographic window type 4mm, wide security thread.
3. Microscopic printing: "BANGLADESH BANK 1000 TAKA" printed
microscopically.
4. Note Number: Indifferent series number in Bengali accompanies Bengali &
English serial number.
5. Latent image: Numeric Bengali inscription "1000".
6. Iridescent stripe: A vertical stripe on the back containing inscription
"BANGLADESH BANK" with variable colour.
7. Intaglio printing.
8. Watermark: Watermark of water lily, Bangladesh Bank's monogram and
English inscription 1000.
9. Dot for blind.
10. Paper: Durable paper with special coating and scattered flourescent fibre.
11. Borderless printing.
