Are these stamps of any value

by S J Barrow
(Loughborough, Leics UK)

All are british attached to part of the envelope and are franked. All posted in 1966............

4p looks like Joderal Bank radio telescope, 4 of them
3p National Productivity Week 1 0nly
4p Blue Tit
4p World Cup
Various standard 1/2p, 1p, 3p and 4p