One of each of our favorite 13.56MHz RFID/NFC Classic 1K tags - 5 in total!
Buy PN532 NFC controller/RFID 13,56 MHz - Shield Botland - Robotic
13.56MHz RFID/NFC Sticker - NTAG203 Tag, Adafruit ADA4032
High Quality Good User Reputation for Hot Sell Disposable One Time
MIFARE Classic 1K RFID NFC Smart Card 13.56MHz Printable Robotics
Buy 13.56MHz RFID/NFC Card - Classic 1K ADA359 Adafruit
MIFARE Classic 1K RFID NFC Smart Card 13.56MHz Printable
MIFARE Classic 1K RFID Smart Cards (100 Pack) 13.56MHz 14443A
Adafruit PN532 NFC/RFID Controller Shield for Arduino
5 Piece 13.56mhz F08 Chip 1k Bytes Diameter 8mm Anti-metal Mini