The Revised Standard Reference Guide to Indian Paper Money is released in a limited edition for collectors as well. The book is leather bound with gilded pages. It comes in a special leather jacket (box). Only 100 such books are issued and each book is uniquely numbered by a banknote of Rs. 10. The serial number of the banknote is also the unique number of the book. The book come with a certificate mentioning the unique banknote number and is signed by both the authors.