Clearly $10 million wasn't enough to attract the attention of Kanye West so now the reviled Pharma bro Martin Shkreli has reportedly upped the ante in his bid to purchase the rapper's album The Life of Pablo. According to a copy of a letter that Shkreli wrote to West and sent to HipHopDX, the investor has increased his bid by 50% to make it a full $15 million for the sole exclusive rights to West's hotly anticipated seventh solo album.

"This figure is materially above any realistic album sales forecast given to me by third-party experts," Shkreli wrote. "As a respected and noted music collector, I request that you sell me this album not to deprive your fans of the music, but to remind the world that music is a precious and important part of our lives." That part about being a "music collector" rings true to anyone who's been following the continuing saga of Wu-Tang Clan's one-of-a-kind record Once Upon a Time in Shaolin, which Shkreli reportedly paid somewhere around $2 million to own.

Check out his full correspondence below:

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