There is a small part on very top of box where seal has broken but box has not been opened! See pictures as they are part of description.
I believe this is from 1979. The item "Vintage Dollhouse GREENLEAF KIT HARRISON 1979 Wood Tudor Wooden Doll House 112" is in sale since Sunday, September 23, 2018. This item is in the category "Dolls & Bears\Dollhouse Miniatures\Doll Houses". The seller is "strykersrestoration1982" and is located in Fort Wayne, Indiana. 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, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica.