War Thunder - The Ersatz M10 appeared for the first time in 1944. Operation Greif special operations was created, and came with it was 10 Panther tanks disguised as the M10. Add-on
Dragon #6561 1/35 Ersatz M10 - Panther | eBay
Panther Ersatz M10: Master of Sabotage - News - War Thunder
Panther M10/ Ersatz M10 First Impressions - YouTube