Uncanny X-Men (1980) #132 High Grade Newsstand

Jason Wynegarse reveals as Mastermind.

Series: Uncanny X-Men 

Issue: 132

Era: Bronze Age

Remarks:  

Two spine creases on back cover

All corners are not rounded.

Comic lays flat, no rusty staples, OWWP and clean back cover.

My personal conservative grade: VF/NM ~ NM-

Story: Chris Claremont 

Cover & Art: John Byrne & Terry Austin