Going South

* Coin show--The International Coin Collectors Society presents Coin Expo/Valley this weekend at St. Nicholas Community Center in Encino. The show will feature a collection of millennium coins from around the world. The expo will also offer investment and collectible coins, coin-collecting supplies and memorabilia. Hours: Friday, 11 a.m.-6 p.m.; Saturday, 10 a.m.-6 p.m.; Sunday, 10 a.m.-5 p.m. The center is at 17114 Ventura Blvd., Encino. $1-$2. (818) 997-6496.

* Ballroom dancing--The Greater Los Angeles chapter of the U.S. Amateur Ballroom Dancers Assn. will host the Southern California Amateur Dancesport Championships on Saturday at 3:30 p.m. at Glendale Civic Auditorium. Competitions in international, American-style and Latin ballroom dance, as well as country-western and West Coast swing, will be featured. There will also be social dancing and other entertainment. The auditorium is at 1401 N. Verdugo Road. $10-$20. For competition entry forms, call (310) 541-6490; admission for spectators, call (310) 538-2695.

* Chamber music--Music Director Jeffrey Kahane will lead the Los Angeles Chamber Orchestra in concert Saturday at 8 p.m. at the Alex Theatre in Glendale. The program will include Aaron Copland’s “Quiet City,” with trumpeter David Washburn and English horn player Kimaree Gilad as the principal soloists, and Ravel’s “Introduction et Allegro,” featuring harp soloist JoAnn Turovsky. Works by Dvorak and Enseco complete the program. The theater is at 216 N. Brand Blvd. $13-$50. (213) 622-7001.

* Collectibles--The Paperback Collectors Show and Sale 2000 will take place Sunday at Mission Hills Inn. Scheduled guest authors include Harry Turtledove, Forrest J. Ackerman, Karen Anderson, Robert Colby, William Nolan, Jerry Sohl and Frank Thomas. Bring books for signing. Hours: 9 a.m.-4:30 p.m. The inn is at 10621 Sepulveda Blvd., Mission Hills. $5. (818) 349-3844.