This is concert number 3 from opus 19, which was printed in 1715 by Roger-Le Cene in Amsterdam. Information from the booklet of the CD: Flautando Koeln (performers): Johann Christian Schickhardt, VI concerts a 4 flutes et basse continue, Ars Musici (publisher) 232341 / 4 011222 323415, (P) 2001, (C) 2009, which contains the music.
There are 4 parts, not 3.