Showa Shell Oil Ltd. (SWSKF: OTC Link) | Deleted Symbol Fri, May 15, 2020 12:00 - Showa Shell Oil Ltd. (SWSKF: OTC Link) - Deleted Symbol - As of Fri, May 15, 2020, SWSKF is no longer a valid symbol. You may find a complete list of deleted symbols at
otcmarkets.com .