However, the Pakistani Rupee is currently some 94 to the US dollar, meaning the face value of the coin is about 1 US cent.
If you'd like to pitch a project, please send us a tip with "Insert Coin" as the subject line.
But this is the importance of the coin: it makes us think about what money is, because almost everyone out there has no idea.
Second, Durban II's architects have in mind making us pay even more dearly in another coin.
But the reverse of that coin is that what unites us is the same as what has always united Americans.
So in a person like you who has assumed a personal responsibility regarding this problem can really help us show the other side of the coin.
It seems unlikely scrip will make a widespread comeback now that the age of credit and debit cards is upon us, says Leonard of the Chicago Coin Club.
She tells how she encouraged children to collect five cent pieces - the smallest South African coin, worth about one US cent - and contribute them to the fund to buy food.
Conceptually, the system appears to be very similar to the Social Bicycles model that we wrote about earlier this summer as part of our Insert Coin series, though that US-based prototype includes a u-style lock, for securing the bike to a post or tree.
ENGADGET: NTT DoCoMo Shared Bicycle Initiative hands-on (video)
People are catching on and the US Mint selling all its gold and silver coin is evidence.
And polls consistently suggest a majority of the US public is in favour of keeping the coin.
On Wednesday, we opened voting so you can help us choose five finalists in our first Insert Coin: New Challengers competition.
Those of us who actually understand monetary operations have long known about the coin and have been pushing it for close to 2 years now.
The three grammes of copper in the 1 rupee coin (we are talking about the older style, the Jinnah on one side, Badshahi Masjid on the other, a brown colour, not the newer silvery looking coin) therefore has a refined value of 2.64 US cents.
The maths tells us that in respect of probability, people are much like tosses of a coin: we will see occasional clusters, even of cancer.
BBC: NEWS | Programmes | More Or Less | Patterns in Randomness
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