There is slight variances in the digits between some production periods within a given year or from year to year and assembly plants (obvious variances are the 0, 3, 5, 6 & 9). The digit size is the same but the font style is slightly different.

83-100-0090 Rev 5/63 Hamtramck Assy Car	A Series 83-100-0101 (8/64) Lynch Road Assy Car	A Series 83-100-0101 Rev 8/64 Lynch Road Assy Car
B series 83-100-0101 (Rev 5/65) Lynch Road Assy Car	B Series 83-100-0101 (Rev 6/65) St. Louis Assy Car	C Series 83-100-0101 Rev 5/66 St. Louis Assy Car
C Series 83-100-0101 Rev 5/67 St. Louis Assy Car	D Series 83-100-0101 Rev 5/67 Lynch Road Assy Car	D Series 83-100-0101 Rev 5/67 Hamtramck Assy Car
E series 83-100-0101 Rev 5/68 LA Assy Car	E series 83-100-0101 Rev 5/68 Hamtramck Assy Car	E Series 83-100-0101 Rev 5/68 St. Louis Assy car
F Series 83-100-0102 Rev 4/69 Lynch Road Assy Car	83-100-0101 Rev 5/68 Hamtramck Assy Car 1970 Car on 69 sheet	83-100-0102 Rev 4/69 Hamtramck Assy Car
F Series 83-100-0102 Rev 4/69 St. Louis Assy Car	G Series 83-100-0101 Rev 4/70 Hamtramack Assy Car	Unique feature about this sheet. 83-100-0101 Rev 4/70 Unique feature about this sheet. RMF printed at LH bottom of sheet The very top and bottom hole on the share larger then the rest.
G series 83-100-0101 Rev 4/70 St. Louis Assy Car	F Series 83-100-0101 Rev 6/69 (Color Hightlight Only) St. Louis Assy Car	F Series 83-100-0102 Rev 6/69 (Color Hightlight Only) Lynch Road Car Unique feature about this sheet. ( 83-100-0102 Rev 6/69) Upper left corner 2nd hole from top has blue box around hole. RMF at bottom left side Printed number in red on rh top corner
G Series 83-100-0101 Rev 4/70 St. Louis Assy Car	H Series 83-100-0101 Rev 3-71 Jefferson Assy Car	Series 1972 and 1973 83-100-0101 Rev 2/72 St. Louis Assy Car
Series 1974 83-100-0101 Rev 2/73 Windsor, Ont Assy Car	This build sheet is from a 1970 Cuda built at Hamtramck Assembly Plant and was found inside of the drivers seat back.