This is a Nikon AF-S Teleconverter TC-20EII 2x in near mint condition - Serial #418267. $160 +SH&I, taxable in Nevada.
Ordinarily I ship within 3 days of payment, However, I am a working professional and am sometimes out of town or otherwise unavailable. Contact me for status. I will make every effort to ship promptly. Shipping to the lower 48 USA only.