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Are these bills special? Answered

I got 2 bills back in change today at Dunkin Donuts. Here are the serial numbers:

22077552

and

22077551

They are 1 digit away.

Also, there are 3 doubles in each (22, 77, 55). Are these worth anything or are they special in any way? **PLEASE REPLY*

Discussions

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Brennn10

9 years ago

Just consecutive notes. Not very rare. Look for notes that end with a *, because these are called star notes. Or look for serial numbers that are 22000022. These are known as radar notes.

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FlumpkinsBrennn10

Reply 9 years ago

I know what star notes are. And I brought these up to a coin shop and they will be worth something If i hold onto thm

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killerjackalope

9 years ago

The most valuable banknote I ever got my mitts on was one with the right person phone number on it... yes neither of us had paper so we exchanged fivers... that worked well, unfortunately a year later I got a call from someone sad enough to ring a number on a banknote.

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killerjackalopeSunbanks

Reply 9 years ago

Like my brother and I putting our numbers in the iPhones in shops...

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Sunbankskillerjackalope

Reply 9 years ago

Did anyone ever call you after seeing your number on the iPhones?

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killerjackalopeSunbanks

Reply 9 years ago

Actually just hilarious, though still disturbing it was just so funny...

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Sunbankskillerjackalope

Reply 9 years ago

Oh lol those kinds of things are sometimes very entertaining. There was this one guy that called my friends phone so I called him and was speaking with some weird accent and we had a couple of very entertaining conversations. He told me he really didn't like kids because they got their sticky hands all over stuff.... It was hilarious

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killerjackalopeFlumpkins

Reply 9 years ago

No she wrote her number on it... The thread somehow reminded me...

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caitlinsdad

9 years ago

I'm not sure but what denomination were the bills? $1, $2, fives, tens, etc. A $3 bill would be worthless. They were probably just were consecutive bills printed in the same batch that was just gotten from the bank. Now if the serial numbers were 13371337, that would be, you know...

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Flumpkinscaitlinsdad

Reply 9 years ago

*giggles* 3 dollar bill? Didn't they only make them like 200 years ago? Anyway, They are 1 dollar bills. Ultra Crisp. No creases whatsoever, not dirty. Except somehow they both have (almost) identical marks that looks like fingerprints. These marks are small and in the same exact spot.

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Lithium RainFlumpkins

Reply 9 years ago

Sounds like someone got two new bills from the bank and used them to pay for donuts.

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FlumpkinsLithium Rain

Reply 9 years ago

nope. I went to dunkin donuts and bought a donut with a 5 dollar bill. And then i got the bills back.

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Lithium RainFlumpkins

Reply 9 years ago

Right, someone paid for donuts earlier with those bills. That could be how they got in the cash register in the first place.

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GoodhartFlumpkins

Reply 9 years ago

Or a bank robber bought donuts there :-)

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GorillazMiko

9 years ago

They're not special in any way. Well, they're consecutive, but you can just go to the bank and exchange for brand new packs, so it's not really rare. What year are they?

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GorillazMikoFlumpkins

Reply 9 years ago

Not rare. Just cool.

Just spend them, if you really want to get rich; get like $100 and have your parents go trade in the bank for a brand new pack.

Save that.

BLAHWAGGA YOU RICH SOMEDAY SON

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FlumpkinsGorillazMiko

Reply 9 years ago

I just might add them to my currency/coin collection. And I will ask my local coin shop. Tommorrow. Hes closed on sundays and mondays :(

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FlumpkinsGorillazMiko

Reply 9 years ago

Well, I brought them to my local coin shop, and he said that as long as I hold on to them and keep them in the condition they're in , they will be worth something

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GorillazMikoFlumpkins

Reply 9 years ago

Just spend those.

Get $100, go to the bank, trade for a brand new pack.

Then, keep that..

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Lithium Rain

9 years ago

No, they were just printed consecutively. They are probably new bills, which the store got from then bank.

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FlumpkinsLithium Rain

Reply 9 years ago

But the 1 digit away thing isn't the only thing. there are 3 doubles.

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kelseymhFlumpkins

Reply 9 years ago

Here's a lesson in [probability]. The serial numbers on U.S. dollar bills have eight digits. That means there's a total of 100 million (108) possible serial numbers. How many of those have three doubles (adjacent identical digits)?

Let split this problem in two halves. First, suppose you already have one SN with three doubles. How many ways can you shuffle around the numbers and still have three doubles? You've got five "entities" (one, two, three pairs, plus the two extra digits), so the answer is 5*4*3*2*1 = 120 different arrangements.
NOTE We assume here that each entity is distinguishable; otherwise some of those arrangements would result in 3-of-a-kind or 4-of-a-kind blocks, which I think that you don't want to count.

So now we can restrict ourselves to asking how many three-doubles can we make for just one specific arrangement. We multiply that answer by 120 to get the total. As above, there are five slots to be filled with digits. The first one can be any digit from 0 to 9; the second any of the nine remaining digits; the third any of the eight that are neither the first nor second; and so on. The total is 10*9*8*7*6 = 30240.

So the final total of "triple-double" serial numbers, all with different digits, is 30240*120 = 3628800, or 3.6% of the total number of dollar bills.

Now, keep in mind that the "actual" number is even higher. After all, there are combinations where the digit groups don't have to be unique, for example "55855855" is a triple-double, with repeated digit groups. I leave it as an exercise to the reader to go through those special cases and work out their rates.

Not that special after all, are they?

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Flumpkinskelseymh

Reply 9 years ago

lol, you lost me at "Lets split this problem in two halves"

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kelseymhFlumpkins

Reply 9 years ago

Pretend the digit groups are playing cards. You've already been dealt five cards. How many different ways can arrange them in your hand? Well, for the first card you can pick any one of the five; for the second, you have to pick one of the four remaining; for the third, you have to pick one of the three that are left; for the fourth card, you only have two to choose from; and the last card is forced on you 'cause it's the only one left.

So if you have five "things", the number of ways you can arrange them is 5 * 4 * 3 * 2 * 1 = 120.

This kind of probability stuff is just counting and multiplication. Do you play RPG's (like D&D, Chill, Deadlands, etc.)? What we're doing here is exactly what you do to work out your odds when rolling 4d6 or 2d10 or 3d8 or whatever.

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caitlinsdadkelseymh

Reply 9 years ago

Excuse me Sir, could you please step aside and count your change while I order my cup of coffee, please.

Yes, also he could have gotten 8 quarters, or 20 dimes, or 95 cents and a Canadian nickel, or....

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GorillazMikoFlumpkins

Reply 9 years ago

It's cool, but it's not rare. Something like 11223344 would kinda be rare.

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kelseymhGorillazMiko

Reply 9 years ago

If you require the four pairs to be in sequence, then yeah, that's extremely rare -- just seven possible SN's out of 100 million:
   00112233    11223344    22334455    33445566   44556677    55667788    66778899
(or 14 possible if you accept them in reverse sequence :-).

If you don't require sequential pairs, then you can compute the number the same way I did before: (4*3*2*1) * (10*9*8*7) = 120,960 or 0.12%. Rarer than the triple-doubles, but still a large number :-)