Fine iron hand made optometrist's trade / clinic / hospital display sign specs from post 1950 .
The sign has a flaps , one side reads " EYE SPECIALIST OPEN / CLOSE " and 
other side reads  " EYE SURGEON OPEN / CLOSE " .
The top has a locking system .
The sign shows wear as per age  .
The sign is embossed at borders which enhances its beauty . 
Please see pictures for fine details , exact age and wear . 
The approximate size is 6.00 X 14.75 inch .  
Ref : 1226 / 23124 .