The extra holes in that one and the other early 45/78 rpm disc have 3 holes surrounding the spindle hole, similar to the Dictaphone layout. It is possible these were specifically intended for that device. Remaining work needs done in the area of date confirmation and integration of the anachronistic metal-core green label discs. I also do not discount the possibility of more color variants. [Contributions are always welcome if you know more.]
Red Top on Yellow: Unknown, assumed to be first disc1943?
GEM Mutoscope Disc: 1945?
Red on Yellow: 1943, 1944, 1945, 1946, 1947
Red on Beige: 1946, 1948
Red on Unbleached: Unknown 1940s?
Red On Blue: Years 1947
Teal-on-Unbleached : Year: 1948 (assumed)
Blue on Blue: Year: 1948
Black On Red: 1948
Black on Green: Years:1951,1953 - 1955 (also had metal core variant)
ESO Mutoscope Disc: 1950s?
Mutoscope Black Label: (45 rpm) Years????
Black on White (punched) (78/45 rpm) 1957, 1959
Black on White (unpunched) (78/45 rpm) 1957, 1959
Red on White: Unknown assumed 1960s?
Blue on White: Unknown assumed 1960s?
Black on Yellow: Years 1964?
Black on Red: Unknown assumed 1964?
Yellow Label Unknown assumed 1964?