The result of this action of Saxony and Brandenburg was to strip the three higher circles of their silver, and in two years (1669) they anxiously met again to consider the question, not only of the foreign base coin everywhere prevalent, but also of the damaging exchange "and ceaseless melting down and exchange of proper coin from the circles."
By a strenuous effort the three circles carried through the Reichstag of 1680 their resolution to reduce the Reichs thaler to 90 kreutzer (ratio 15-1/4). From this decision the Emperor stood apart, with Bavaria and Salzburg, in putting the Reichs thaler at 96 kreutzer.
In view of such contrariety the impossibility of any general régime for the empire became apparent, and further attempts at it were practically abandoned. It was the perception by the mercantile community, as well as by the various Governments, of the consequences of such disorder, that led to the establishment of the so-called Leipzig standard in 1690. This standard was promoted by John George III. of Saxony, and established by treaty between Saxony, Brandenburg, and Brunswick-Luneburg. According to it the Reichs thaler was raised to 120 kreutzers, or 2 florins, the mark being minted into 12 thalers or 18 guldens.
The result of the introduction of this standard was that in a few years the raising of the Reichs thaler to 120 kreutzers prevailed all over the empire. Sweden accepted it in the same year, 1690, and three years later the three upper circles acquiesced. At the same time the gold gulden was advanced to 2 florins 56 kreutzers. The previous ratio of 15 was thereby advanced to 15.1 (15-128/1278).
In 1738 the Reichstag determined on the adoption of the Leipzig standard for the whole empire; no alteration was made in the Reichs thaler, which was still retained at 2 florins and minted at 12 to the mark fine; but a graduated scale of agio was adopted for the divisional coins, which were minted at an equivalence of from 12-3/8 to 13-2/3 thalers to the mark fine. The difference (varying from 3/8 to 1-2/3 thalers) represented the agio.
[Sidenote: GERMANY: THE CONVENTION STANDARD]
From the first, however, the Leipzig standard had no more real success than any of its predecessors. Although theoretically accepted by all North Germany, and adopted in the Reichstag in 1738, it could obtain no actual general adoption through the empire. Even from the moment of the inception of the system in 1690, the process of competitively raising the course of the coinage had still continued, and pieces of 30, 20, 15, and 10-kreutzers were struck on a basis of from 20 to 21-1/3 gulden to the mark. The result was to put upon the _carolus_, which from 1730 onwards was minted in great quantities in South-West Germany, an agio of 10 per cent., a differentiation which was much increased by the disorders of the war of the Austrian succession. Such an agio swiftly drove the larger, full-valued specie out of currency, and during the continuance of that war the currency of Austria and South Germany was almost entirely reduced to depreciated fractional pieces, while the exchangers reaped untold advantage. It was on the close of this war, in 1748, that, with characteristic Austrian selfishness, though also with a boldness none of his predecessors had approached, the Emperor, Francis I., determined on the erection of the 20-gulden standard as a separate Austrian independent system, minting the mark of fine silver into 13-1/2 Reichs thalers, or 20 guldens. This latter system, after the accession to it of Bavaria, obtained the name of the Convention Standard, and the 2-gulden pieces minted under it are styled the Species or Convention Thaler. The convention system remained in force in Austria until the Vienna Coinage Convention of 1857, a period during which the _Convention Thaler_ found wide circulation through South Germany.