This January’s closing of a 2015 condo contract for $238 million at the new 220 Central Park South development set a U.S. price record, while the number of Manhattan sales reached its lowest level of any quarter in a decade. Still, market-wide median sales price returned above the $1 million threshold after falling below the threshold last quarter for the first time in three years. The number of sales, a key metric on the state of the market, declined…