Vintage 1970's ? Sunny Shores Plaid Camp Picnic Shirt Lace Trim Size Small

Vintage Sunny Shores USA made plaid collared shirt with daintly gathered lace trim around the collar and sleeves. 65% polyester 35% cotton I *think* this is from the 1970's or early 1980's based on the tag writing but am not completely sure. Armpit to armpit when buttoned: 17.5" Shoulder to bottom hem: 24" SKUEM 062