> 何枚ものお札をつかんで窓口にいく

I found the above sentence in [this
post](https://japanese.stackexchange.com/questions/78426/the-order-of-verbs-
and-their-complement-adjunct). What is the meaning of もの here? Does it only
come after counters, or can it be added to any noun? I've looked in several
dictionaries, but cannot figure out which definition this もの comes under. Is
this もの different from 物?
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2021-03-31T16:19:32.133
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2021-03-31T16:19:32.133
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question
grammar particle-mono
Meaning of Counter + もの