GE JG - 5814A 12AU7 vacuum tubes tested strong
Tubes are identical in construction  
Tested with a calibrated TV-7D/U tube tester.
Calibration by Daniel Nelson.
Code unreadable 
NOS/Used: used 
Construction:  gray plate round getters triple mica                  
Glass: clear no burn marks
Base: -
Tested at:  81/82 plate current 10.2/10.2
                  102/98 plate current 13.0/12.5   
Average new 92/92 
Minimum good 56/56 
Tested for shorts and gas. 
30-day free return. 
Your items will be packed very well and shipped promptly.
We combine shipping on tubes.
Always glad to answer any questions.
Thanks for looking!