The first few things that come to mind out of so many:
Prestige 1010, Blind Lemon Jefferson's Penitentiary Blues
Szigeti Bach Sonatas and Partitas (first or early pressing).
Milstein Bach Sonatas and Partitas (stereo version)
Rob Wasserman Duets (german pressing).
Heifetz Bruch & Wieniewsky No 2's (mono dog).
Oscar Peterson Jazz Portrait of Frank Sinatra.
Bill Evans Waltz For Debby (Analogue Prod)
Louis Armstrong Plays W.C. Handy (first).
The first 5-6 Dylan albums (some COL reissues, some Sundazed).
The first 5-6 Joan Baez albums (mostly firsts)
Roland Kirk Bright Moments
A few "talking letters" on instant recording discs sent home by U.S. soldiers.
Prestige 1010, Blind Lemon Jefferson's Penitentiary Blues
Szigeti Bach Sonatas and Partitas (first or early pressing).
Milstein Bach Sonatas and Partitas (stereo version)
Rob Wasserman Duets (german pressing).
Heifetz Bruch & Wieniewsky No 2's (mono dog).
Oscar Peterson Jazz Portrait of Frank Sinatra.
Bill Evans Waltz For Debby (Analogue Prod)
Louis Armstrong Plays W.C. Handy (first).
The first 5-6 Dylan albums (some COL reissues, some Sundazed).
The first 5-6 Joan Baez albums (mostly firsts)
Roland Kirk Bright Moments
A few "talking letters" on instant recording discs sent home by U.S. soldiers.