1920's ? H N White KING Silver Trombone.

Comes as pictured. It is listed under parts and/or repair. Bell measures 7" diameter. Trombone and slide have two different serial numbers. See pics.. Bought at an estate sale, this Trombone is being sold in its As Found Condition. We did not attempt to clean it, we will leave that to the eBay experts out there. This instrument is being sold as is, as pictured, with no returns and no refunds. As with all vintage instruments, it may need repairs, tuning cleaning, etc. Please ask questions before bidding if needed. It comes as pictured with only what is pictured. Nothing else included.

If any ebay experts can help me identify it further, it would be greatly appreciated.