The passion of the MPL! Comparing Thru-The-Slab Photos with PCGS TrueView. 1909 Matte Proof Lincoln PCGS PR66BN Pop 18/2 1910 Matte Proof Lincoln PCGS PR66RB Pop 3/5 1911 Matte Proof Lincoln PCGS PR66BN Pop 26/3 1912 Matte Proof Lincoln PCGS PR66BN Pop 27/8 1913 Matte Proof Lincoln PCGS PR66BN Pop 3/2 1914 Matte Proof Lincoln PCGS PR66+BN Pop 2/5 1915 Matte Proof Lincoln PCGS PR66+BN Pop 5/8   1916 Matte Proof Lincoln PCGS PR67BN Pop 1/0 MPL Collage Blue   MPL Collage White