Is this CD blank or NOT?

Checking for written data on the CD.

Blank CDs and DVDs not mounting in the Finder - CNET

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Now, a ps2 cd-rom disc that is not blue, this game is physically in blue and silver (it is not a dvd-rom). : r/ps2

CD-R Blank Discs Unused 36 Maxwell, 6 Verbatim New in Case, 2 DVD R

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CD R Blank Discs, 52X Speed Blank CDs, 700MB Capacity Recordable Disc, for Storing Digital Images Music Data, Universal for iOS for Win (50PCS) : Electronics

burning - blank cd's are not correctly id'd - Ask Ubuntu

What is DVD and how to play?

HP CD-R 700MB 50 Blank CD Wrap 52x Speed at Rs 1250/pack, Blank CD in Ahmedabad