And it still doesn't match the Hungarian National Bank in 1946, which came up with the highest denomination banknote ever issued: a 100 quintillion (20 zeros) peng note.

然而它仍不能和1946年匈牙利国家银行相比，那时匈牙利国家银行发行了有史以来发行面额最高的钞票：1垓(100 quintillion)(‘1’后面跟二十个‘0’)帕戈。

youdao

Figure 1. Effect of intaglio printing: authentic banknote (left) and copied note (right).

图1：凹版印刷的效果：真币(左)和复制币(右)。

youdao

the assistant will give you change. We always say a dollar note (banknote)

售货员还将给你拢头。

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Luckily for the world economy this is not the U.S. dollar it is the defunct Zimbabwe dollar and the note has the highest number of zeros ever printed on a banknote.

FORBES: Stage Already Set For Inflation

The couple also signed a million pound note each for the Bank's guest book and the Queen was shown the very first banknote she had signed on 29 November, 1937, aged 11.

BBC: Queen questions financial crisis