i think first problem with silver coin as dividends would be how that would be done via DTC/CEDE as a pratical matter. second, hecla would have to issue i think a 1099 for every shareholder for value of coins, so there woudl be a tax hit for some. last, this would be probably too aggressive a move for hecla.
i think if Hecla improved its silver-linked dividend policy, and grdually yearly incerased dividneds, this would build support for the stock.
as far as acquiring another silver miner i think this would be driven by strategic financing considerations to build market capitalzation : hecla still too small for some funds and institutions.