I received a letter that I am entitle to some free commemorative notes for SG50.
What I want to know is whether I can use these "commemorative" notes as cash or is it just for show
Yes, the are legal tender for the amount they are printed for & minted for, in the case of the coins.....that is, you can bring the notes to the currency board, or now Singapore Mint, they will exchange the legal tender of $10 for $10, $50 for the $50 to the current currency notes in circulation.
Our commemoratives notes, coins etc..have no value, even you collect them...you keep them too long, they start to age, goes mouldy or bad, or gets creased ....you go to the dealers to sell, they don't; want them & they do take them you either gets 10% more than the value or even face value....
Unless you have the time & effort to keep those you collect in airtight containers or special cupboards with dehumidifier not...like most of us keep our things...even in the safe deposit box....they do not command a good value..especially Singapore ones....unless they are GOLD or SILVER...not the plated stuff...
You bring to dealers...they all show you, that, they have plenty of stock of the ones you are selling....
The only ones are the gold coins that I collected in the past & made money, like I had said not the silver or gold plated ones...the REAL ones....I luckily bought a Singapore $150 gold coins, the 150 anniversary of the founding gold coin from a desperate woman, who wanted to deposit it into her Savings Account Outside a bank, for $150 I gave her on the spot...& that was about 30 years ago..... that gold coins, plus the various others, including the Royal Wedding etc...made a handsome profit when gold prices rose...
Other than than, the Singapore coins & commemorative notes....are of not much of a value or even investment....:p