For sale is one  used 7868 in  white box

Tube test new at 81 no gas no shorts (minimum good is 36) on my TV7D/U tube tester.
                                                                                        2
Manufactured by Sylvania in the USA has date code of 3 AOV
                                                                                        5
Green graphics printed on tube is very good and readable gray 7868 is good

Phillips purchased Sylvania in 1981 so this tube was manufactured in the 1980’s