Visions of the Universe cover, 'Herschel's 40 fee Reflector' Prestige Booklet Pane, London W1 Postmark

Visions of the Universe cover, ‘Herschel’s 40 feet Reflector’ Prestige Booklet Pane with 2^nd class Cat’s Eye Nebula is composed of dust and gas, 1^st class Pulsars are rapidly rotating neutron stars, £1.55 Jupiter’s auroras are the strongest in the solar system & £1.60 67P is a comet made of rock, ice and dust stamps and London W1 first day of issue postmark dated 11 February 2020