Close-up of blackboard surface — Stock photos

"Close-up of blackboard surface" is an authentic stock image by WavebreakMediaPrem. It’s available in the following resolutions: 1600 x 1067px, 2600 x 1733px, 6000 x 4000px. The minimum price for an image is 49$. Image in the highest quality is 6000 x 4000px, 300 dpi, and costs 449$.