This is an old gap in
Krause catalogue that most of us have already noticed in our collections:
The 5 taka
1994 and
1996 types that Krause currently names as
KM#18.1 are in fact quite different.
The main difference is for clouds at top of bridge:
1994 cloud is bit flat and homogeneous, while
1996 cloud is a bit higher and made of small joined bunches of clouds.
Right now, both years are type
KM#18.1 for Krause. This was already reported and soon 1996 will be a different KM.

Also, there is another 5 taka 1996 completely different, with wider details and different clouds, which is
KM#18.2:

(images and information by
Abu Shamim Md. Talha (Limon))