Lot of 20th century artist's books / ephemera: 1. Milan Dobes (Slovakian, b.1929), Pair of Christmas Cards with Kinetic Art Pieces, 1974 and 1975, both pieces signed, dated and numbered, housed in signed Christmas card with original envelope sent from Bratislava, which was then part of the USSR. / 2. Jean Weinbaum (Swiss, 1926-2013), Color is My Life: Watercolors and Collages, 1939-1979, exhibition catalog / artist's book, 1979, loose cards in slipcase, one of 225 copies but this one not numbered, initialed by artist on colophon. / 3. Group of ephemera related to artist Yasuhide Kobashi (Japanese, 1931-2003), includes signed and decorated New Years cards for 1978 and 1979 as well as written correspondence. / 4. Larry Calcagno (American, 1913-1993), Signed postcard for his show at Royal Marks Gallery, c.1970s.