Dollar bills have been printed in sheets of 32 bills for quite a while now, and each position on the sheet is given a letter-number combination. Each letter/number combination is listed in the table below, in the appropriate location.

The serial numbers on a specific sheet have a skip in the numbers. [The amount of the skip indicates the number of sheets in the press run. that that sheet was a part of] This is done so when the bills are cut and stacked, each stack has sequential numbers. 200,000-sheet press runs have been used on $1s,$2s,$5s,$10s and $20s since series 1988A, and 200,000-sheet press runs are what the following numbers refer to.

On the first sheet, the bill in position A1 will be numbered #1, the bill in B1 will be numbered #200,001- and so on and so forth. For the next sheet the numbers will be #2, 200,002, etc... For a second press run, the bill in A1 on the first sheet will be #06400001, the bill in B1 would be 06600001, etc.

A1	E1	A2	E2
B1	F1	B2	F2
C1	G1	C2	G2
D1	H1	D2	H2
A3	E3	A4	E4
B3	F3	B4	F4
C3	G3	C4	G4
A1	H3	D4	H4