Hi guys!
Thank you very much for your comments!
As for the gears doors, all my reference pics of Norge K show them down:
http://modellnorge.no/copper/thumbnails.php?album=99
http://www.digitaltmuseum.no/folder/847
Concerning the Musthave boxing, this is the Revell D Sabre with a new injected fuselage, resin, PE and very good decals.
Some review here:
http://www.hyperscale.com/2012/reviews/kits/musthavef86kpreview_1.htm
www.1999.co.jp/eng/10185220
http://s362974870.onlinehome.us/forums/air/index.php?showtopic=249627
http://www2.britmodeller.com/forums/index.php?showtopic=55146&st=100
Kind regards,
Rom