*****SELLING WORLDWIDE******
NOS PLATINUM MATCHED PAIR triode-triode & tube-tube in transconductance & plate current).
>>>>  PAIR PLATINUM MATCHED PAIR. SYLVANIA 6SN7GTB,NOS,SHORT BOTTLE,RARE THE SAME DATE CODE,YELLOW label/print.97-99%% Label Visible,US MADE.Tubes will be supplied in box.WE HAVE ENOUGH TO GIVE A PLATINUM MATCHED TUBES,CLEAN OCTAL PINS,TIGHT BASE.Label/Print  are the same for both.
**** TWICE TESTED.
*****1st)NO SHORTS,NO GAS AND WELL-BALANCED TRIODES IN TRANSCONDUCTANCE AND PLATE CURRENT(PLATINUM MATCHED) USING HICKOK TUBE TESTER 
*****2nd)TUBES ARE NOT USABLE UNLESS THEY ARE  LIVE AUDIO TESTED WITH NO HUM & NON-MICROPHONIC,TESTED USING MODIFIED   DYNACO PAS 3 & TUBE OTL.
  Having a minimum of,
TUBE1) 92/94 & 10.0/10.2 ma
TUBE2) 92/96 & 9.9/10.2 ma
uSIEMENS /PLATE CURRENT
  Where 50/50 is minimum,which is 65% & NOS start at 77/77 with Dan Nelson's newly calibrated TV7 TUBE TESTER.

*****TUBES WITHOUT TEST DATA IS NOT WISE DECISION  AND LISTING ADS THAT SAY'S "test good"OR "test strong" WITH HIDDEN TEST RESULTS IN VACUUM TUBES IS NOT ENOUGH AND AVOID SURPRISES.
****BEWARE OF SOME CLONED/FAKE SYLVANIA 6SN7'S.
*****WE DO COMBINE SHIPPING
******  MY WORLDWIDE SHIPPING  IS ACTUAL  USPS REGISTERED MAIL.
******PLEASE CHECK MY OTHER COOL AUDIO STUFF..

*****QUESTIONS ARE ALWAYS WELCOME.