My favorite Martin is from about 1923. It's a Martin Handcraft Dansant. What was special about it was that it was apparently made as a dance band horn with the particular ability to project sound across a room in competition with other sound coming from a dance band. It didn't project a particularly louder or fuller sound, and certainly not to the players ear.. just a more penetrating sound that would carry and remain somewhat distinct far out into a dance hall. Don't know if this intention succeeded or not but the bell shaft bends into a little longer total length than other horns I own. There must have been a lot of them made in the middle to late 20's because you see them on ebay fairly often. I'll attach a photo. It's the one in the middle on the shelf.