Republic India, 1985-90, Error 5 Rupees (2), Signed by R.N. Malhotra, Error: Duplicate serial numbers error, same serial numbers (41T 266998) on two notes, E Inset, T Prefix, S. No. 41T 266998, staple holes at issue, pen marks, graded by PMCS as 50 AUNC & 45 Extra Fine.

Note: This remarkable pair of two Five Rupee banknotes, bearing the signature of R. N. Malhotra and having the same serial number along with the same prefix, known as a duplicate serial number in notaphily, represents this as an unique error. This discovery stands as an unusual occurrence, presenting a rare opportunity for collectors.

PMCS Graded Duplicate Serial Number Error Five Rupees B ...

Uniface Error Five Rupees Bank Note signed by R.N. Malh ...

PMG Graded Serial Number Printing Error Fifty Rupees B ...

Printing Error One Rupee Banknote of 1989 of Republic I ...