Mohs was an automobile make built by the Mohs Seaplane Corporation of Madison, Wisconsin (United States). The company founder, Bruce Mohs, built limited-production automobiles on chassis built to custom specifications by the International Harvester Company. Automobiles by Mohs were built between 1967 and 1979.
The Ostentatienne was powered by an International Harvester truck engine. Entry into the car was from the rear; solid steel side rails (designed to protect passengers during a crash) prevented doors along the vehicles sides. The Ostentatienne could be ordered customized to suit its buyer's wishes; Ming styled oriental rugs, refrigerators and sealed beam taillights were some of the options available. Production was reported to be three to four vehicles per year, only one was ever built.
Source: Wikipedia 2015

MHOS Ostentatienne Opera Sedan 1967