It can be hard to find a suitable birthday card for a living institution. Fortunately, CardsHit has come up with the “You’re So Old” series of offensive greeting cards, including this gem that declares ‘You're So Old You Shit Fossils #happybirthday.’ All that’s left to do is to present them to a museum.

• Blank inside for your own personal message
• A6 size (105 x 148 mm)
• Premium Quality 350 GSM Card
• Beautiful Sunset Orange Envelope
• Cellophane bag packed for protection
• Free First Class postage - whether you buy 1 card or 1000
• £3.00 per card or 5 cards for just £10.00