Click images to enlarge

Description

Vintage 1960's Letterman Cardigan Sweater by John Dunlap S an D Knitting Co.. 
Sweater is Blue in color w/ a white "C" on the front. 5 button closure. 
2 front pockets. Has a patch on the left sleeve. "Trade and Industrial Club, Oklahoma". 
Size 40. 40" chest, 26" long & 26" sleeves.