Kriegsmarine Feldpostnummer

[Ludwig]

Would really appreciate some help with following fieldpost numbers:

M02829 November 1944
M04678 September 1944
M43460 September 1944
M62051 January 1945

[glaser]

I am looking for any item related to F Pn 22661

Source used: Die Feldpostnummern der KM Olaf Steckel
M02829 November 1944: Marine -Kampfverband Gruppe A/ Lager Raumkoppel
M04678 September 1944: Marine -Kampfverband Gruppe F/ Lager Graukoppel
M43460 September 1944: Kdt der Seeverteidigung Saloniki und Nord- Griechenland
M62051 January 1945: Torpedoklarmachschiff "Frieda Horn"

PS I am looking for any item related to F Pn 22661

[Ludwig]

Many thanks!