Phipils pcc88 question

[henrylr]

When was this tube made:Philips PCC88 7DJ8 with Codes: DJH delta 1B4 and 2C3?
Thanks

[S Clark]

Holland, last week of Feb. 1961

https://www.tubemuseum.org/SearchResults.asp?Cat=20
Nice tube.  I have and use several Pcc88 tubes.  I'm fond of the Austrian Valvo's. 
The 2C3 is likely 1962 third week of March.

[Jack]

Not a bad sounding tube if your gear is designed to take it.  I've had a pair for years.