CREATE TABLE table_204_859 (id DECIMAL, "year" DECIMAL, "seniors  ( trood award & rodda medal ) " TEXT, "reserves  ( rex hartley medal ) " TEXT, "under 18's  ( bruce wilkinson medal ) " TEXT, "under 16's  ( shaw/carter medal ) " TEXT)

what is the other year bob won the rex hartley medal beside 1954
SELECT "year" FROM table_204_859 WHERE "seniors (trood award & rodda medal)" = 'bob mason' AND "year" <> 1954
SELECT "year" FROM "table_204_859" WHERE "seniors (trood award & rodda medal)" = 'bob mason' AND "year" <> 1954