The seller says this is from 1929-30 (I would say 1930-31). It is in very good shape from the photos. A 4-valve model in silver with faded gold wash inside both bells.
GREAT ENTRY POINT PRICE! Starting bid is $900 and BUY-IT-NOW is $1,170.
ITEM HAS BEEN SOLD - COOL!
https://www.ebay.com/itm/164856644228