Italian library label under Leonardi.
SQLP 200 - Maschere - Luigi Zito
SQLP 20011 - Problemi n. 1 - Alessandro Alessandroni/Sandro Brugnolini/Ivana Mattei/Teimar (Ivana Mattei)/Narassa (Sandro Brugnolini)/Braen (Alessandro Alessandroni)
SQLP 20012 - Discorsi - Raskovich (Giuliano Sorgini)
SQLP 20013 - ???
SQLP 20014 - Accadde a....... - Arawak (Luciano Simoncini)
SQLP 20015 - Psyco Analysis - Corviria (Vittoria Corona)
SQLP 20016 - ???
SQLP 20017 - Medley Number One - Maria Teresa Parolini/Zuni (Luciano Simoncini)/Alberta Zerga (1986)
from my notes...
SQLP 20013 - Maschere - Zito
Nearly sure that exist also SQLP 20016 (I think by Simoncini)
I suspected that Maschere might be SQLP 20013, but all images I've found point to it having only "SQLP 200" printed as the catalogue number. Maybe they just forgot to print "13" on there?