Hi friends,
I'm a very good searcher and here is some new TROWA staff on ebay to your attention.
First is 13 x 4,5" snare --- extremely rare from the same line as Henk's ('hemelsoet') set. That line of TROWA drums was fist produced just after "conic lugs " line --- near to end of 50's.
It has an aluminium riveted hoops as Dule found.
Not good condition -- parallel drop and leveral muffler are missing--- modern strainer is mounted --- shell is unwrapped and painted---piece of shell is broken off.
Sadly...
http://www.ebay.de/itm/110774687204
George.