They are still in business. Their description for the button is listed below.
Ive also included a photo of the letter of authenticity that was given to me by the dealer at the time of sale. This button would make a wonderful birthday or Christmas gift for a lover of Civil War history, and Civil War relics and memorabilia. This is an authentic, solid cast brass, non-dug button, and has been kept in a black display box which is included in the sale. This is a sand-cast button, and still shows some of the sand on the backing. The dealer said the button came from the battlefield or from a prisoner - and was made by the Confederacy in the USA - 1862 or 1863. Rare because of all of the above. Confederate General Service Coat Button on old card.This card came out of an old East Tennessee estate and originally had a Georgia and Virginia button attached on either side of the CSA. This non-excavated CSA button is the solid cast variety CS 86, 22 mm. , and has a great patina showing light service wear.
Card reads "Confederate buttons worn by Southern soldiers during the War Of The Rebellion, 1861 - ". The other side of the card has some pencil script that I can't make out, and has the name, Mrs. Franklin W Anderson" and "Glen Ridge NJ. The item "Authentic, Antique, Civil War, Confederate General Service Coat Button (CSA)" is in sale since Sunday, August 23, 2020. This item is in the category "Collectibles\Militaria\Civil War (1861-65)\Original Period Items\Buttons". The seller is "chieftc" and is located in Borrego Springs, California. This item can be shipped to United States.