This stylish pattern is for a misses’ sleeveless vest, with or without collar, with two different necklines. The pattern isn’t dated, but it looks to be from the 1950’s. I love the versions in the plaid fabric, and the nipped-in 1950’s waist. I also love view B in a dark shade with a contrasting top underneath and a cute scarf.
If you’re interested in sewing vintage patterns, you should check out SewRena’s channel! She sews a wide variety of vintage patterns, and also has videos on styling her vintage looks. One of my favorite videos of hers is her Behind the Seams video on Simplicity pattern 8363 – a gorgeous dress and bolero jacket with decorative buttons.