by 1975, the japanese market started seeing some of the more familiar designs and names being reintroduced. these guitars were of higher quality than that of the previous years of production in japan and included models such as the wilshire, emperor, riviera and newport bass. these models were available to the japanese market only. by 1976 new designs of higher quality were being introduced for export but did not include the current japanese market models. notable new designs from this era were the monticello (scroll guitar), the presentation (pr) and nova series flat tops and the genesis solid body guitar. by 1980, most japanese-only designs were available for worldwide distribution. the matsumoku-made archtops, such as the emperor, riviera, sheraton and casino, were available into the mid-1980s.