Mr. Data seems to be an arms-length brand of CMC Magnetics, and we saw them retailed through our local K-mart.
Mr. Data 8x 74 minute CD-R
This is a very old design with the blue top. ATIP is 97m26s66f with a capacity of 75m00s00f.
Mr. Data 24x 80 minute CD-R
This is the newer design white top and from memory, the design was carried through as the speeds increased. The ATIP is 97n26s66f with a capacity of 79m59s74f.