Checker

750	thru	800	Maroon label with a silver web top. 752, 753, 756 and 757 are not known to exist on a 45.
801	thru	876	Same as above with the addition of Record Co. in the underscore of Checker.
877	thru	1050	Maroon label with Checker written vertically.
1051	thru	1104	Maroon label with vertical Checker, or blue label with checkers across the top.
1105	thru	1131	Maroon or red label with vertical Checker, or blue label with checkers.
1120	thru	1135	Maroon label or blue label with or without checkers. Note overlap.
1136			Begins blue label without checkers except as noted above.