Nook Inc. handheld pennant is a tool. Source: Nook Miles Redemption. You can't buy it, but it sells for 2,500 Bells. It can also be bought for 500 Nook Miles. Added in version 1.4.
Where to get it
Nook Miles Redemption: Spend Nook Miles at the Nook Stop terminal in Resident Services to redeem this.
