WW2 or Korean war USMC P41 Jacket. This example was found complete with cutter tags. No real problems I can see, looks to be completely mint, unissued.
The construction appears to be all WW2 style. The item "WW2/ Korean War Mint unissued USMC Marine Corps P41 Coat Jacket cutter tags" is in sale since Wednesday, October 18, 2017. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\United States\Uniforms". The seller is "thatguypatterson" and is located in Mesquite, Texas. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Russian federation, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica.