Old Fire Safety Sign

Star of David on a Coal Iron

Meaning: old fire -safety sign

Reason: in alchemy triangle with its one point turning up represents Fire while the opposite triangle  represents water and together they represents fire-water (alcohol). 

for new fire -safety signs See: 

http://www.seton.net.au/signs-labels/safety-signs.html

Courtesy of (c) Pietro Bisenzi 2012


P.S
After I published this post Pietro Bisenzi sent me another item from his collection of things related to ironing. 
It is a Sad Iron which carries the date 1877, six petaled star surrounded by a circle and a star of David surrounded by a circle

Sabina Saad sent me a link about sad irons:
http://collectibles.about.com/od/priceguidesonline/ig/Sad-Iron-Pictures-and-Prices/