You are bidding for 1 piece RG1000/3000 HV rectifier tube from Tungsram. 

Tube was tested with Funke W19 tester assistance. I got 120 mA current when applied 60VAC to the plate. Looks work OK! Collectable item. Great for demonstration purpose. 

 Private selling. I’ll prepare good package and post worldwide, but will not assuming responsibility for tube damage during postage due age and gently specific. Payment should be done within 3 days. Bid accordingly with posted above. 

Contact seller for any questions. Check my other power tube auctions. Happy bidding. Don't loose opportunity.