Have a look at these Mantle lusters. They are a good match the pair on I Love lucy. See the listing on eBay for more pictures

The lustres above are painted exactly like the pair on the show.
For a less expensive alternative the following pair of mantel lustres are still a good match but painted differently:
See them on eBay currently at a more affordable price
Also a second pair here : https://www.ebay.com/itm/Antique-Vtg-Porcelain-Floral-Lustres/202112452172