This 5 inch float has a beautifully intricate mark.  The maker's mark is WP #129.  It is comprised of three symbols.  All of the symbols are rather small.   The symbol on the left is detailed and complex.  I'm not familiar with it.  In the middle, is the classic 'sa' mark.  On the right side, there's a tokui symbol.

It's hard to find a clear and complete stamp of this maker's mark.

Found in Northern Japan.

This float has excellent provenance having come from the ex-Ramon Fulton collection.