A block of 10 1983 Hong Kong by Night $1 Firework error stamps is the star lot of InterAsia Auctions' June 29 in Hong Kong.
It's expected to make around $11,598-15,464.
The stamps were accidently produced without denomination or text. They are among the most sought after recent Chinese stamps, with this being one of the larger multiples.
It's also taken from the bottom of the sheet and displays the printer's traffic light marks.
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