RAY ROBINSON MEL-O-WAH MUTE NO RIVETS VERY RARE. CONDITION: VERY GOOD PLAYING CONDITION. 1 NO RIVETS MEANS IT WAS MADE IN THE 1930’S 1940’S. 2 THE INSIDE TUBE IN THE CONE IS STRAIGHT. 3 IT HAS THE LABEL. 4 CORK WORN BUT HOLDS FINE IN TRUMPET OR CORNET. COSMETICALLY: OF COURSE IF YOU WANT TO RESTORE IT TO IT’S FULL GLORY IT COULD USE TO BE RE PAINTED AND A NEW CORK. THESE DON’T COME AROUND HARDLY AT ALL ANYMORE.