Hello,
There was bound to be an error or two somewhere when adding all the RSFSR signatures, and I've just found one. This signature is missing from the People's Bank of the RSFSR (issuing entity 6397) and needs to be added. Below is information regarding the signature and an image of it.
Issuer: RSFSR
Issuing entity: People's Bank of the RSFSR (issuing entity 6397)
Name of signatory: Grigory Aleksandrovich Ivanov
Role: Cashier (FR: Caissier, ES: Cajero)
Sources: Banknote Museum, Boris Pirozhkov's Catalog (page 140)
Image of Signature: 
Best regards,
Daniel.
