Andrea
Mon Nov 25 2024
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6 answers
1751
Why do coins turn black?
Coins often turn black due to the formation of copper sulfide, which occurs when copper reacts with hydrogen sulfide or solutions containing it, especially in moist environments. This chemical reaction can be accelerated by perspiration, as it contains sulfur-containing molecules that can break down to form hydrogen sulfide.
SakuraTide
Mon Nov 25 2024
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7 answers
1773
Can you transfer Paperless Post coins?
I'm wondering if it's possible to transfer Paperless Post coins from one account to another. I have some extra coins in my account and would like to share them with a friend if it's allowed.
EchoPulse
Sun Nov 24 2024
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6 answers
1195
Are PNC banks getting rid of all coins?
I heard some rumors that PNC banks are planning to eliminate all coins from their system. Is this true? Are they really getting rid of coins completely? I'm curious to know the reason behind this decision, if it's indeed happening.
CryptoVanguard
Sun Nov 24 2024
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7 answers
1837
What coins are used in China?
I'm curious about the currency system in China. Specifically, I want to know which coins are commonly used there. Are they similar to the coins in other countries, or do they have unique characteristics? What denominations are available?
CryptoLordess
Sun Nov 24 2024
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5 answers
1279
Are coins from France worth anything?
I'm curious about the value of coins from France. I'm wondering if they hold any significant worth, either as currency or as collector's items. Are French coins something that people would be interested in purchasing, and if so, what factors determine their value?
