Vtg 60s cream longline vest with vibrant lining

Vtg 60s cream longline vest. Impeccably handmade piece. Pretty chord frog closures, front pockets. The lining is a bright abstract floral print in pink, orange, yellow, & browns. So fun & a unique statement piece. I believe the main fabric is a wool based on texture & weight, but unsure. I’d say this is best for a medium, but could fit larger sizes if worn open- dress form is a 6/8. Measures (flat, unstretched, approx, buttoned): armpit to armpit, waist, hip: 19in, shoulder to hem: 42in