Here's a set of hard fiber cases for a Musser M-250 marimba
1st case measures 45 x 33 x 40 x 11 1/2.. One separator piece. 6 inches thick.
2nd case measures 35 x 31 1/2 x 8.. One separator piece. 6 inches thick.
3rd case measures 43 1/2 x 33 x 41 x 18 with 2 separators. It is 6 inches thick.
4th case measures 42 x 21 x 3 1/2.. One separator piece. 6 inches thick.
Very good condition (sorry for the sun spotted pictures) From a smoke free environment $ 400.
Here's the link for these cases brand new at $2049.99 Note they are out of stock, not available
https://www.cadrums.com/shop/c/p/Musser-Fibre-Case-for-M250M300-x66537664.htm