Art by 46 coastal Marin artists and others awaits visitors to the Bolinas Museum exhibitions that open with a holiday party this Saturday, Nov. 18. The “Hardly Strictly Mini: A Biennial Benefit Exhibition” presents small works for sale by 70 Bay Area artists, selected by lottery and nomination. This is the museum’s 27th holiday art sale to benefit both artists and the museum. Two additional dynamic exhibitions will also open this Saturday: Sharon Beals’s gorgeous…