Panzer IX and Panzer X
{{Short description|Fabricated tank designs of Nazi Germany}}
The super-heavy tanks Panzerkampfwagen IX and Panzerkampfwagen X were silhouette conceptual drawings in an edition of the German World War II Signal military magazine. The drawings were not based on any actual designs, and were solely printed to deceive Allied intelligence.{{cite book|last=Jentz|first=Thomas L|last2=Doyle|first2=Hilary Louis|title=Panzer Tracts 20-1: Paper Panzers, Panzerkampfwagen, Sturmgeschuetz, and Jagdpanzer|year=2001|publisher=Panzer Tracts|location=Boyds, Maryland|isbn=0-9708407-3-X|pages=60}}