Ancient Coin, +3

While in possession of this ancient coin, you can use it as a spellcasting focus for your Arcane Trickster spells and you can +3 to your spell save DC and Spell Attack.

In addition, you can regain  Two level 1 spell slots or Two Level 2 Spell Slots . This feature reset once a long rest had been completed.

Notes: Bonus: Spell Attacks, Bonus: Spell Save DC, Arcane Trickster Rogue