The United States Postal Service is offering a limited number of complimentary entry tickets for collectors who would like to attend the June 6 first-day ceremony for the Hot Rods forever stamps.

The ceremony will take place at 11 a.m. during the National Street Rod Association’s National East Plus Conference at York Expo and Fairgrounds, 334 Carlisle Ave., York, Pa.

Collectors wishing to attend the ceremony must enter the conference, and the fee for admission to the conference is normally $15.

Collectors can request a complimentary ticket from the Postal Service no later than June 3 by telephoning 866-268-3243, or by sending an e-mail to NationalEvents@usps.gov.

One ticket is allowed per request. Additional information will be provided “upon RSVP,” according to the Postal Service.