These data come from a catalog of Peerless Spare Parts of The Peerless Motor Service Co, Detroit, Michigan. It is not dated (1930-32 ?).

"HOW TO IDENTIFY YOUR PEERLESS

Car serial number ....... Motor number ............. Model ..... Series

70,001 to 70,555 ........ 13K-3,001 to 13K-3,653 ..... C ...... Custom
40,001 to 41,219 ........ 13K-101 to 13K-1,375 ....... B ...... Master
10,001 to 12,003 ........ 17S-1,001 to 17S-3,033 ..... A ...... Standard
C615,451 to C619,507 .. 11E-5,200 to 11E-13,297 .... 61 ..... Second
C610,501 to C615,450 .. idem ........................... 61 ..... First
C126,291 to C126,665 .. 12K-501 to 12K-1,629 ...... 125 ..... Second
C125,501 to C126,290 .. idem ......................... 125 ..... First
C812,901 to C813,651 .. 18C-101 to 18C-3,809 ...... 81 ...... Second
C810,025 to C812,900 .. idem .......................... 81 ..... First
B910,001 to B913,195 .. 91-5,001 to 91-8,098 ....... 91
B600,001 to B603,991 .. 11E-101 to 11E-1,000 ...... 60 ...... Second
A400,501 to A403,539 .. 10E-1 to 10E-5,754 ......... 60 ...... First
B900,001 to B901,144 .. 90-01 to 90-3,680 .......... 90 ...... Second
390,001 to 393,032 ..... idem ......................... 90 ...... First
B690,001 to B690,759 .. 36,001 to 37,503 ........... 69 ...... Second
335,501 to 336,505 ..... idem ......................... 69 ...... First
B800,001 to B803,544 .. 8U-101 to 8U-14,625 ........ 80 ...... Second
350,501 to 361,910 ..... idem ......................... 80 ...... First
B720,001 to B720,279 .. 62,801 to 68,054 ............ 72 ...... Second
302,501 to 307,788 ...... idem ......................... 72 ...... First
329,501 to 331,000 ...... 33,660 to 35,142 ............ 67
299,505 to 302,291 ...... 60,005 to 62,791 ............ 70
286,501 to 289,658 ...... 30,501 to 33,653 ............ 66
G1 to G500 ............... G1 to G500 .................. 66
F1 to F1,000 ............. F1 to F1,000 ................. 66
E1 to E1,000 ............. E1 to E1,000 ................. 66
D1 to D1,000 ............. D1 to D1,000 ................. 66
C1 to C1,000 ............. C1 to C1,000 ................. 66
B1 to B1,000 ............. B1 to B1,000 ................. 66
A1 to A1,000 ............. A1 to A1,000 ................. 66
270,001 to 280,000 ...... 19,716 to 23,872 ............ 56
260,001 to 270,000 ...... 11,455 to 20,110 ............ 56
250,001 to 260,000 ...... 8,601 to 11,457 ............. 56
240,001 to 250,000 ...... 7,001 to 8,527 .............. 56
230,001 to 240,000 ...... 5,201 to 6,200 .............. 56
170,001 to 180,000 ...... 2,201 to 5,200 .............. 56
160,001 to 170,000 ...... 1 to 2,107 .................. 56

WHERE TO FIND THE CAR SERIAL NUMBER :
On model C, B and A, the car serial number is stamped on a plate attached to the body sill on the right side of the front compartment under the carpet. On Models 61, 125, 81, 91, 60, 90, 69, 80, 72, 67, 70 and 66, the serial number is stamped on a plate attached to dash under the hood. On all other models, the serial number is stamped on a plate attached to dash under the cowl.

WHERE TO FIND THE CHASSIS NUMBER :
On all models, the chassis number is stamped on the outside of the right frame member at the extreme rear end.

WHERE TO FIND THE MOTOR NUMBER :
On Models C, B, A, 61, 125, 81, 60 and 80, the motor number is stamped on a plate attached to the left side of the crankcase. On Models 91, 90, 72 and 70, the motor number is stamped in the right side of the timing chain case housing. On Models 69, 67, 66 and 56, the motor number is stamped on the top of the timing gear housing."

I hope there is no typing mismatch. Ph.