Rare 6H30P-DR Supertubes 12 available, matched

Very hard to find, don't miss these if you have been looking for them!  These are guaranteed original 6H30P-DR NOS vacuum tubes ("super tubes") from the old Soviet REFLEKTOR factory.  Years are 1986 and 1987.  I have 12 available. These are highly coveted because they were the military version of the 6h30P which are used in Audio Research, BAT, and Conrad Johnson components.  Military version means they were built to a more rugged and reliable specification, with better characteristics and lifetimes 2 to 3 times normal 6h30P's (usually 10,000 hours).  The mid 1980's were the best years for these tubes and the most highly sought (before they went downhill after the  opening up of the Soviet Union).  These tubes offer the only opportunity to tube roll and upgrade over standard 6h30's. 
Each one has been tested by my Amplitrex-1000 tested (auto bias), see attached image and they average in the mid 90's % (some > 100% of spec) for emission and GM (transconductance) with no gas leakage and no bad tubes.  I will provide the test results for all tubes so you can match them in pairs, quads, etc.
To be clear, these are guaranteed genuine 6h30P-DR's.  Counterfeits are out there but not these!  The key features that distinguish real 6h30P-DR's (such as these) are flat, gray flaps (not silvery and shiny), no writing under the mica at the tube ends, longer size of the getter and the markings.  I tried to capture these qualities in my pictures (which is why I am posting so many pictures).  I do not have tube boxes but these will be carefully bubble wrapped. These have seen a little use in my Audio Research gear but I would conservatively say they should be considered pretty fresh with a long life ahead.

I am listing them at $200 per tube, but I do not want to sell them individually. I prefer to sell them as a batch so I will discount, 20% off for all 12, 10% off for 6 or more 

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