while the remaining stamps will be sold on June 15. “There’s multiple stamps that’ll bring $500,000 or $750,000, but the (one-cent) Z-grill is the star of the show,” Shreve said.

The first nondenominational A postage stamp appeared on May 22, 1978, and was orange, with a value of 15 cents. The violet B stamp was issued March 15, 1980, and sold for 18 cents. The last ...

Very, very few were 1 cent, 10 cent and 15-cent stamps." Trepel also emphasized the historical importance that the June 14 auction will be open to private stamp collectors across the U.S. "There ...

Some were 3-cent stamps. And very, very few were 1-cent, 10-cent and 15-cent stamps,” explains Scott Trepel, the president of Robert A. Siegel Auction Galleries, the firm presiding over the sale ...