Gem,Sem,and a wierd end ??

[Mike in Berks]

Does this look familiar to anyone ??
There's 3 letters I think i see GEM I've seen radiator whathamacallits
but they had "square ends". I've never seen an end like this though
Anybody seen one of these before ??
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[Mike in Berks]

[attach=1

 

[finderzzs]

Antique stoves were made by GEM, could be a gas shut off valve.

 

[jscorpio]

There was also a company called GEM that made musical roller organs. Could be a winding key to wind up the machine so it would play. (just a guess)

 

[Mike in Berks]

THANKS FOR the Suggestions + Ideas !! HH

 

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