value except part each year, and by the various states pro rata of their population. From 1842 onwards, in case of no new treaty, the rate of minting to be two millions vereinsmünze every four years, pro rata as before; each state to give an account of its mintings.
"10. Also of their separate trials of standard and weight.
"11, 13. None of the contracting states to set its particular internal specie at any different on a three months' notice, and to renew its currency at face value in case of depreciation.
"12. The states bind themselves not to issue divisional coins in excess of such pro rata requirements as above.
"14. For the divisional coinage the standard of the convention of Munich, 1837 (viz. 27 gulden), is adopted.
"18. The treaty to endure till the end of 1858. States intending to retire then to give two years' notice. From that date, if not discarded, the treaty to be periodically renewed (five-yearly)."
This treaty continued in force nominally until the later and still more famous convention of Vienna in 1857, before which date Hanover, Brunswick, and Oldenburg had also given in their adherence to it.
At the time of the Mint Conference and Convention of Vienna, therefore, there were, broadly speaking, three competing systems in Germany, viz. of Austria, Prussia, and South Germany or Bavaria.
One aspect of this latter conference of 1857, viz.
its deliberations with regard to gold coinage, will be referred to separately. As far as relates to its attempted systematisation of these three German currencies the agreement took the following form:—