Pook & Pook Inc. will celebrate its 25th anniversary Jan. 15-16 with a thousand-lot auction featuring items from the estates of two of Pennsylvania's best-known collectors, H. Richard Dietrich Jr. and Elinor Gordon. Highlights include Gordon's "Home of N.C. Wyeth" by N.C. Wyeth ($50,000 to $100,000) and a bright J.J. Enneking landscape and Dietrich's Pennsylvania or Maryland Chippendale cherry highboy chest decorated with relief bird carvings ($250,000 to $350,000). Scrimshaw, silver, ceramics, and many fine examples of American painting and furniture are offered...