Disclaimer: Still not mine.
Shopping
She had come back from Diagon Alley brimming with excitement, her eyes sparkling, and waving her new wand under his nose. He was half afraid that she might accidentally hex it off, but then she brought it back beneath her own eyes to examine it again.
"Isn't it beautiful Severus! "Ten and a quarter inches long, swishy, made of willow," and it has unicorn hair as the core! Mr. Ollivander (that's the man who runs the wand shop) said that it was a good wand for charms work! I'm going to be the best in the class, I just know it!"
And once again he had to bite his tongue before he ruined her joyous day. Because the fact of the matter was that everything that he would be taking to school with him when the term began on September 1, 1970 had belonged to his mother.
How she had managed to hide it from his father for so long, he would never know, but along with the books and the altered robes (that still had her Slytherin badge on them) he would also be receiving her wand. Ebony and dragon heartstring, twelve inches long.
She had told him not to expect too much from it because she'd never been good in Charms or Transfiguration, but she'd said nothing about Defense Against the Dark Arts or Potions. Perhaps that was where the wand's true potential lay. But he wouldn't find out until his first class. Please God, or whatever, don't let me be humiliated in front of Lily! Please let my wand work! Please!