it is the first 4 years of conservatorship, you silly goose :-)
obviously...
Well in Mark to Market you can NEVER write the asset back up unless its a sale Of its its a trading security categorized as such So the crazy thing is in April 2009 the FASB allowed everyone to mark to model starting 1/1/09 vs mark to market So everyone was marking to fiction Except the GSEs which opted out And continued to mark to market...which at the time was zero And its fully disclosed in their financials