II. János Guttenberg (Johann Gottfried von Guttenberg) was a German bishop and priest who served as Duke-Bishop of Würzburg from 1684 to 1698. The Guttenberg family was named after Guttenberg Castle. Johann Gottfried was born in Marloffstein Castle. In 1684 II. János Guttenberg was elected bishop of Würzburg. During his episcopate, he focused on economic reforms and the strengthening of church institutions. He built new churches and schools and supported the arts and sciences. He also tried to improve the political situation of the bishopric and established close relations with the Habsburg Empire. II. János Guttenberg died in 1698. During his bishopric, he contributed significantly to the development of the Bishopric of Würzburg. He is remembered as a wise and charismatic leader who was devoted to his people.

II. János Guttenberg ascended the throne as Bishop of Würzburg in 1684. His coinage brought about a significant change compared to the coinage of previous bishops. János Guttenberg tried to support the economic boom that began in the 1680s by reforming the coinage. János Guttenberg's coinage can be divided into three main types: Circulation coins, these coins were used in everyday trade and payments. The most frequently minted denominations were 1/2 pfennig, 1 pfennig, 1/2 krajcár, 1 krajcár, 2 krajcár, 5 krajcár, 10 krajcár, 1/2 shilling, 1 shilling and 2 shilling. so that even smaller amounts can be paid more accurately. The most frequently minted fractional coins were 1/4 pfennig, 1/8 pfennig and 1/16 pfennig. Coinage pieces, these coins were minted on special occasions, such as the election of a bishop or his accession to the throne. The coinage of János Guttenberg differed from the previous ones in the following aspects from the minting practice of bishops, they were of good quality and did not contain too many impurities, they were usually circular and not so different from other German coins, John Guttenberg's coins were of the usual weight. The bishop's coins usually depicted his portrait or monogram. Coinage of John Guttenberg significantly contributed to the economic recovery of the Bishopric of Würzburg. High-quality and reliable money facilitated trade and payments, which had a positive effect on the economy.