2 x. International Phonograph Inc. master tapes in original cases , 10.5" metal reels 

15ips / 2  track , CCIR EQ

1. Geof Bradfield  - Saxophone Quartet.  1st generation tape - direct copy of the session tape

 2. Joe Policastro Trio + Mark Feldman   2nd generation tape 

Both are sounding  amazing.