Ran across this on the Bay
An Armstrong student alto sax with RTH
Some Toneholes look like RTH whereas others looks like the tonehole is rounded where the pad meets it, instead of just a flat cut. The pictures aren't close enough but it is interesting.
==> http://www.ebay.com/itm/281917606236?_trksid=p2055119.m1438.l2649&ssPageName=STRK:MEBIDX:IT
An Armstrong student alto sax with RTH
Some Toneholes look like RTH whereas others looks like the tonehole is rounded where the pad meets it, instead of just a flat cut. The pictures aren't close enough but it is interesting.
==> http://www.ebay.com/itm/281917606236?_trksid=p2055119.m1438.l2649&ssPageName=STRK:MEBIDX:IT