ISB ~ 1 Corinthians 9 v25

a perishable wreath:Corinth hosted the popular Isthmian Games every other year, where winning athletes were crowned with wreaths made of pine or a species of wild celery called selinon. Paul stresses the contrast between this perishable award of dried vegetation and the imperishable crown of eternal life (1 Pet 5:4; Rev 2:10).