Caledonia Mining Corp. (CALVF: OTC Link/FINRA BB) | Splits Fri, Apr 12, 2013 12:00 - Caledonia Mining Corp. ( CALVF : OTC Link/FINRA BB) - Splits - Effective Fri, Apr 12, 2013, CALVF: OTC Link/FINRA BB engaged in a rev split. As a result of the split, shs decreased by 1 for 10 split. Due to the split, CALVF is no longer valid. The new trading symbol is CALVD. You may find a complete list of splits at otcmarkets.com .