Stamp collecting is an expensive hobby. With some stamps worth up to a million dollars, many collectors are worried about what will happen to their collections when they die. The weekend's Winter Sacramento Stamp Fair provided a venue for philatelists from all over the Sacramento region to display their collections. Hundreds of collectors converged on the Knights of Columbus Hall to buy stamps and trade with dealers and each other. Free appraisals of individual stamps and collections were also given to the public. More than one million stamps, thousands of advertising covers and hundreds of stamp-pricing volumes lined table after table inside two rooms. The show even featured an orchid