Macomber Tie up bars?

Someone just listed these on Ebay as Macomber tie up bars.  I've never seen anything like this on any of the Macombers I've seen, but I've never looked closely as a CP.   Anybody recognize them?

http://www.ebay.com/itm/230996412614?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649