I have lot of flourescent tubes T8 and T12- new old stock and used ones. All are fine.
(18W,20W,36W,40W,58W,65W- all used for preheat start) - Manufacturers mainly Osram,Philips and Atlas.
I would prefer to change against less tubes (T10,T12) or mercury lamps up to 250W to minimize my collection - selling would be ok too. Shipping costs varies.
My location is Germany.