Banking laws to be general; specie basis; authority of banks to issue bills to circulate as money.

No bank shall be established otherwise than under a general banking law, nor other than upon a specie basis; provided, that any bank may be established with authority to issue bills to circulate as money in an amount equal to the face value of bonds of the United States, or of this state, convertible into specie at their face value, which shall, before such bank is authorized to issue its bills for circulation, be deposited with the state treasurer or other depository prescribed by law, in an amount equal to the aggregate of such proposed issue, with power in such treasurer or depository to dispose of any or all of such bonds for a sufficient amount of specie to redeem the circulating notes of such bank at any time and without delay, should such bank suspend specie payment or fail to redeem its notes on demand.