Vintage Zenith S-21973 Radio. We are here to help! In August of 2013, we started a new venture and decided to share our special finds with the world through this account. All messages are guaranteed to receive a response within 24 hours. Get Supersized Images & Free Image Hosting. Create your brand with Auctiva’s. Track Page Views With. Auctiva’s FREE Counter. The item “Vintage Zenith S-21973 Bakelite Green Radio Parts Repair Powers On” is in sale since Tuesday, October 22, 2019. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Radios”. The seller is “thrift_kings” and is located in Newburgh, New York. This item can be shipped worldwide.