A unique HK$150 ($20) note celebrating the Standard Chartered Bank of Hong Kong's 150th year of operations in the city is being issued by the bank.

The commemorative note is sure to be a sought-after collectors' items, as the bank is only one of three note issuing banks in the territory.

It's expected that anyone who gets their hands on a complete set of 35 uncut HK$150 notes would be able to sell them on for HK$1m (nearly $130,000) - and the value will continue to soar.

"By design, we want the banknote to be unique and the only one of its kind. We want it to represent the spirit of the city," said the bank's Hong Kong Chief Executive Benjamin Hung Pi-cheng, according to the China Briefing news site.

Three different packages of the bank notes will be issued by Standard Chartered. One is the single HK$150 note, priced HK$280; "four-in-one uncut" notes priced HK$1,888 and a "35-in-one uncut" set for HK$18,888 (over $2,400).

Better still, a special selection of 100 notes with lucky serial numbers will be open to public bidding.

And another 10,000 pieces will give buyers an opportunity to pick a serial number of their choice. The so-called "single self-selected serial number" stamps will be priced HK$888, and available only by lottery.

The single commemorative notes will be available for sale on October 1-16.

For more information, the bank's hotline is (+852) 3128-8150.

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