This is the place where Stones fans can advertise anything for sale, wanted, trade or whatever, from fan to fan. Advertisements are for free. To see the old ads go here.
I think it's copied from the old 1988 CD, which means that it's copied from vinyl, apart from the 3 first tracks which is from the radio tapes. Not best possible quality.....you better go for VGP or Halycon.
Europe 73 and Nasty Music are incomplete and maybe inferior. The site of Rzepela which is obviously your reference hadn't been updated since more than 6 years...
I don't have such a referance at all! I've got the original CDs, and judge by my ear. If one combine those 2 I mentioned (+ Back To The Graveyard & The Stars In...), one will have all SB from Europe 73.