I see your risk in the opposite direction from Willie.
I think a ban on future transfers if not outright confiscation is on the statists' agenda.
Or how about indexing the transfer tax back to 1934? They always need more of our money. Look at tobacco. A known health hazard worthy of the war on drugs, but it is a cash cow to the governments and lawyers.
$200 was an 80% tax on a $250 Thompson.
A $64,000 tax bill on your resale would really cut into liquidity.