Golden Valley Mines Ltd. (GLVMD: OTCQX International) | Symbol Change Fri, Aug 28, 2020 12:00 - Golden Valley Mines Ltd. ( GLVMD : OTCQX International) - Symbol Change - The symbol, GLVMD, is no longer a valid symbol for Golden Valley Mines Ltd.. As of Fri, Aug 28, 2020, the new trading symbol is GLVMF. You may find a complete list of symbol changes at otcmarkets.com .