Sentence:  As is known, there are two opinions among financial experts and economists:.one holds that without administrative interference in the regulations governing hard currency circulation, which by itself is harmful for the social economy, one cannot achieve financial stabilization;  the other, on the opposite, is against any administrative restrictions, and advocates a natural stabilization of the money supply, as a result of which all "greenbacks," "graybacks," and "<WSD>brownbacks</WSD>" will disappear from circulation on their own. 
Meaning of the word marked with <WSD> tags:  A note of scrip printed on brown paper, such as that issued by the city of St. Louis during a financial crisis.