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Inventory Code: 42.198
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Appears to have barely been worn but does have various marks that may clean up and a faint ghost image on back where design has stamped through (see pics). Late 70s/early 80s era. 
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Size: Tag reads S. Fits like XS  (see measurements)
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16" pit to pit
26.5" top of collar to bottom of shirt (front)
" shoulder to end of sleeve