Years	Decal	Shell	Mask	Stripes L to R	Stripe Width
?-1957-?	none	white	gray or none	red	1/2"
?-1962-1963-?	red block "S"	white	gray	red	1/2"
?-1967-1971	red rounded "S"	white	gray	red	1/2"
1972	white, narrow "S"	white	gray	white?	1/2"
1973-1977-?	white "S"	red	gray	white	1/2"
?-1979-1983	white "S" w/ squared ends	red	white	white	1/2"
1984 -1985-?	white "S" w/ squared ends	red	white	white/ red/ white/ red/ white	1/8"- 3/8"- 1/2"- 3/8" - 1/8"
?-1987-1998	red "NSC" w/ black ol. middle S larger than outside N and C	white	red	black/ red/ black	5/16"- 1/2"-  5/16"
1999	white "NSC" w/ black ol. middle S larger than outside N and C	red	white	black/white/black	5/16"- 1/2"-  5/16"
2000-current	red N above red C both w/ white ol inlayed inside larger red S w/ black ol	white	red	red	1/2"

Thanks to Marc C. for the 1957 photo.

NC State 1957	NC State 1963	NC State 1968	NC State 1972
NC State 1977	NC State 1978	NC State 1984	NC State 1998
NC State 1999	NC State 2001