Does anyone recognize this Kamisori?

Hi,

Here's my first restored kamisori,

I do recognize most of the kanji like tokubetsu ukeai on the right top,
Tôroku shôhyô above the "oval" and tokusen under the "oval"
except the ones in the middle of the "oval"...

My only idea is "ryû" at the bottom but I think it not completely wright (?)
and "tama" at the top but again don't think it's wright
(the right stripe is higher then you would expect on "tama"...(?))

Are there any ideas?

Kindest regards and thanks!Attachment 134373 Attachment 134374 Attachment 134375 Attachment 134376