US Banknotes

Please check your bill again. There are 1950 A and 1950 C $10 bills but they're different. The series letter is next to the date; any other letter isn't a series letter.

Neither one is rare, though. As of 03/2012 they would retail for $12 to $15 in averaged condition.

Serial numbers are counters and security features, but rarely affect a bill's value except in a few specific cases. Normally the bill's series date and letter as well as its condition are much more important.

In this case the "IA" at the start of the serial number is a tip. Dual-letter serial numbers were first used with the 1990 series of most denominations, so any $5 bill with that date or later is too new to have any extra value.

It was the one hundred thousand (100,000) dollar bill. These bills were only used for intra-governmental money transfers.

The largest circulation bill ever issued was ten thousand (10,000) dollars.

Since 1945 it has been one hundred (100).

1 dollar

Please check your bill again. There were no series letters on 1934 silver certificates, and no silver certificate series letters ever went as high as K.

Please see the question "What is the value of a 1934 US 1 dollar silver certificate?" for more information.

Yes, though it is not paper made from wood pulp.

The motto In God We Trust didn't appear on ANY U.S. paper money until the late 1950s so it's not a mistake if the bill is older.

Its value depends on its date and what letter, if any, is right next to the date. Please look for questions like "What is the value of a 1935 US 1 dollar bill" for more information, depending of course on your bill's date.

2 cents

Please check the back of your bill to see if it has the word HAWAII printed over the ONE.

Standard 1935 series $1 silver certificates were printed with blue seals. During WWII special bills with brown seals were distributed in Hawaii. They used a different design so they could easily be recognized and declared worthless if the Japanese captured the islands.

If your bill has HAWAII on it, it can be moderately valuable. There's more information at the Related Question.

If it doesn't have overprinting it may have been exposed to chemicals or something else that affected its ink, and wouldn't any extra value.

Dollar bills are made of cotton

The US printed both $2 and $5 bills with red seals in the 1963 series. Please see the questions "What is the value of a 1963 US 2 dollar bill?" and "What is the value of a 1963 US 5 dollar bill?" for more information.

it is Abraham Lincoln

Every modern US bill has a caption under the portrait identifying the person shown, and a similar caption under the image describing the site or event shown on the back.

It was actually printed in Washington for use in Hawaii during WWII. The bills were a different color and had the name HAWAII in large letters so they'd be easy to spot and could be declared worthless if captured by the Japanese.

There's more information at the Related Question.

Serial numbers are counters and a security feature but usually don't help to ID a bill for valuation. Please post a new, separate question with the bill's date and what letter if any is next to the date.

Some collectors will pay extra for numbers with a special pattern, e.g. 12345678, or low numbers such as 00000015.

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There are many different possible misprints, some much more valuable than others.

Please post a new, separate question with more information describing the suspected misprint. However the range of different errors that can happen may mean that it may be necessary to have the bill inspected in person by an expert in currency errors.

25% COTTON

The Federal Reserve District letter identifies which of the 12 districts distributed the bill.

Many people assume that the bills are actually printed in that district, but in fact all US bills are printed at facilities of the Bureau of Engraving and Printing in either Washington or Fort Worth. The BEP takes orders from each Federal Reserve district, prints bills with that district's seal, and sends them back to the district's central banking repository for distribution through commercial banks.

The district letter is shown inside the seal on $1 and $2 bills. Higher-denomination bills no longer have the district letter in the seal, but instead it's incorporated as part of the bill's serial number.

"D note" doesn't help to ID a bill. It could be a series letter, a Federal Reserve District letter, or part of a print position indicator.

Please check your bill again and post a new, separate question with what letter if any is next to the date. You don't need to include the serial number, though.

More details are needed. Please post a new, separate question with the bill's date and whether there is a small letter next to or below the date.

What became of bills for $500 and up after 1969