Edison disc phonograph model B375, serial SM164.
My grandfather had the largest private collection of Edison Phonographs in California. I inherent a portion of his collection.
You have an Edison disc phonograph model B375, serial SM164. These are rare and yours is beautiful. Auction houses has occasionally shown an interest in these items. Even the top auction houses.
For that reason it might be helpful for you to hold onto this - until there is a relevant auction houses with a thematic auction for such items.
You do not find them for sale that often. Not even on Ebay. The market for them slowed down some years back, but we are starting to see an increased interest in these items.
The price could surprise in a positive direction if presented at the right auction house - at the right time.