I have an insane amount of 1/35 WWII German armor kits with etch and resin detail sets I'm willing to trade for 1/72nd Armor kits of the followin:
WWII German StuGs III&IV, any Jagdpanzers and Jagdpanthers, Tigers, Panthers, Hetzers, and Panzer IIIs and IVs.
British Cromwells and Churchillls.

Modern Russian heavy tanks
Etch and resin detail sets for said vehicles. Also looking for the following aircraft kits in 1/32 and 1/48 scale:
Messerschmitt BF109Gs,Messerschmitt ME262 AND ME263.
I have around 50+ 1/35th scale kits with lots of etch and resin detail sets and resin Zimmerit sets. If you're interested I will send a list, but here's a sample of the kits I have up for trade:
CyberHobby Brumbarr (early production)
Tamiya Tiger (limited edition with figures)
CyberHobby Flakpanzer Kugelblitz
Dragon SdKfz.251/22
Tamiya SdKfz.251D with LOTS of detail sets.
For those who are serious please PM me and I'll send a more detailed list.
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Partial List of stuff for trade:

2x Tamiya German Tiger I Late Version w/Ace Commander And Crew Set (8 Figures) (25109)
Dragon Tiger I Late Prod w/Zimmerit
Pz.Kpfw.VI Ausf.E Tiger I Late Production with Zimmerit (6383)
Dragon Sd.Kfz. 182 King Tiger (Henschel Turret) (6208)
Tamiya King Tiger Ardennes Frnt (35252) (with Attak zimmerit, Turned Metal Barrel and Eduard Photoetch set)
Dragon Sd.Kfz.171 Panther A
Late Production (Premium Edition) (6358)
2XDragon Sd.Kfz.171 Panther G
w/Steel Road Wheels (6370) includes Voyager etch set PE35140, Voyager PEA069 Anti-Aircraft armour and Atak Zimmerit (35006)n
Shanghai-Dragon "Pz. Kpfw. V. Ausf G "Night Fighting" Panther (9045)
Tamiya German Panther Type G Steel Wheel Version (35174) with Fruil ATL-08 tracks, Eduard Big Ed set (3546)and Atak Zimmerit (35006)
Dragon Sd.Kfz. 251/21 Ausf. D "Drilling" (6217)
Dragon Sd.Kfz. 251 Ausf. D 3 in 1 (6233)
Dragon Sd.Kfz. 251/22 Ausf. D (6248)
AFV-Club Sd.Kfz.251/3 Ausf.C
mittlerer Funkpanzerwagen (35S50)
3x Tamiya Sd.Kfz. 251/1 Ausf.D (35195)