Old Town resident and collector Leonardo Contardo is busy measuring and pricing 500-plus antique oriental carpets from his collection. The collection consists of Persian, Turkish, Chinese and rugs from the Caucasus area and includes many runners in various sizes. The show and sale will be held at the Athenaeum Gallery at 201 Prince Street on Friday, Dec. 12-15 from 10 a.m. to 6 p.m. daily.