LeBron James had a PER of 29.5 in the playoffs between the 2012-13 and 2019-20 seasons.

lebron james playoff playoff efficiency rating 2012-13 to 2019-20
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NAMEGPPERMPGPPGRPGAPGSPGBPGTPGFGMFGAFG%3PM3PA3P%FTMFTAFT%MINPTSREBASTSTLBLKTOVPF+/-
LeBron JamesLeBron James14529.540.129.19.37.61.71.03.710.720.851.71.85.035.15.97.973.85,8174,2161,3501,099250141538336+818