Dual triode valves with eight pin octal base

Mullard ECC32 Early Penta Logo £ 600 pair; £ 1.100 quartet

Mullard ECC32 Penta logo £ 550 pair; £ 1,000 quartet

Mullard ECC32 Brown base £ 550 pair; £ 1,000 quartet

Mullard ECC33 Brown base matched pair £ 480; Matched quartet £ 900