Each issue in this 5-coin 1987 San Francisco Mint proof set is double-struck for crisp raised-relief images and engravings have an elegant frosted finish contrasting with stunning mirror backgrounds. Circulation mintages were up to 2,000 times higher! No Kennedy half dollars were issued for commerce in 1987. The only way to acquire 1987 Kennedy BUs is to break up existing mint sets for that date. Since their original production was just 2,890,758, comparatively few sets now remain intact. Our complete 10-coin 1987 mint set includes both the 'P' and 'D' issues.