I have US proof sets to trade. 1982, 3 1984, 1985, 1986, 1987, 2 1988, 3 1989, 2 1990, 1991, 1992 and 1993. Some are case only with no certificate. I am looking for pre-1950 coins from the USA and Spain. I will consider Spanish colony coins from the 1800's.
Sample pictures: