Through The Looking Glass by Lewis Carroll Chapter 5 Page 25

‘Then two are cheaper than one?’ Alice said in a surprised tone, taking out her purse.

‘Only you must eat them both, if you buy two,’ said the Sheep.

‘Then I’ll have one, please,’ said Alice, as she put the money down on the counter. For she thought to herself, ‘They mightn’t be at all nice, you know.’

The Sheep took the money, and put it away in a box: then she said ‘I never put things into people’s hands — that would never do — you must get it for yourself.’ And so saying, she went off to the other end of the shop, and set the egg upright on a shelf.

‘I wonder why it wouldn’t do?’ thought Alice, as she groped her way among the tables and chairs, for the shop was very dark towards the end.