A holy grail finally found at an affordable price. I've been looking for this since the days of Our Price records (where I first tried to order a copy). So here is Black Moses by Isaac Hayes in its full fold out glory.
It's also introduced me to Dynaflex records - a format started by RCA records in 1969, promising vinyl that is "superior in many ways to any other you have ever known" - thinner (it does feel remarkably thin), lighter, bendier, longer lasting and freer of imperfections. From what I've heard so far it does sound very good, as if it was new - impressive for something that is almost 48 years old.