PriceSpotter is Curbed Boston's asking-price guessing game. We provide you with some details and pictures from an apartment listing, and you vote for which price you think it is. If you think it's none of the above, tender a more exact guess in the comments or shoot us an email. Next week we reveal the answer. And, hey, no cheating!
Where/What: 4-BR, 3.5-BA penthouse triplex on Marlborough, between Fairfield and Gloucester
Square Footage: 3,184
The Skinny: This gorgeous monster traded as recently as May of this year, when it went for $3,100,000 (that's your first clue). It's got its own elevator; a private roof deck with wet bar; and sybaritic marble (look it up) in the bathrooms. It's been on the sales market for less than a week.
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