Yes, it's a bolt-action 410 gauge shotgun.
Can not find a date on the rifle. My guess would be late 60's to early 70's. Is there a place I'm missing to look??
The price of a Westerfield Model M150A-410 can vary based on factors such as condition, age, and market demand. Typically, you might find it ranging from a few hundred to over a thousand dollars, depending on where it's being sold (e.g., used marketplaces, auctions, or retail). For an accurate and up-to-date price, it's best to check specific listings or consult with retailers specializing in such models.