Master of Reality is the third album by the British metal band Black Sabbath, released in 1971 on Vertigo Records.
The album title as well as the band name on the cover was probably designed based on ITC Kabel Ultra, originally designed by Rudolf Koch in 1975 and then redrawn by the International Typeface Corporation. The font is a commercial one and you may view more details about it here.
Download Kabel Font
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