AR 600-35 Dogtags

According to AR 600-35, these were 'of monel metal, approximately 2 inches long by 1 1/8 inches wide, and about 1/40 inch thick, the corners rounded and the eges smooth.
Each tag has a capacity of five lines of type, 18 spaces to the line, and will be embossed by a machine provided for that purpose as follows:

First line: Name of wearer

Second line: First eight spaces, Army serial number; ninth space vacant; tenth, eleventh, and twelfth spaces, record of tetanus immunisation (date completed), (letter T and the last two numerals of the year); thirteenth space vacant; fourteenth and fifteenth spaces, the last two numerals of the year in which the immunity stimulating injection of the tetanus toxoid is completed; sixteenth space vacant; seventeenth space, the letter signifying the blood type; eighteenth space vacant unless the blood type is indicated by two letter. For example: "33333333 T41 42 A"; or, "33333333 41 42 AB". Blood types are indicated by the symbols "A","B","AB", or "O"

Third line: Name of person to ge notified in case of emergency.

Fourth line: street address of person to be notified in case of emergency.

Fifth line: City and State address of person to be notified in case of emergency. The religion of the werer, when stated, will be stamped in space 18 of the fifth line if that space is vacant, otherwise in space 18 of the fourth line, and will be indicated by a capital letter as follows: C for Catholic; H for Hebrew, and P for Protestant.

The name and address of a person to be notified in case of emergency was eliminated with the 31 March 1944 copy of AR600-35

Example of Early War Dogtag

This is a dog tag for John A Lowe, Serial Number 36707821, he received Tetanus shot in 1942, blood type A, Next of Kin is Marie Lowe, NOK lives at 2426 Belden Ave. Chicago, Ill, and John is a Protestant.