Viewed as cringeworthy - even by former advisers such as Steve Bannon - the cards nonetheless sold out in one day and netted almost $US4.5 million, despite the current slump in non-fungible tokens (NFTs) and cryptocurrency.

Trump’s free speech election policy outlined a bold plan to tackle what he characterises as the suppression of free speech if he is elected president in 2024.

First, he vowed that “within hours of my inauguration” he would sign an executive order banning federal agencies from censorship, and also restrict federal funds from “being used to label domestic speech as ‘mis-’ or ’dis-information”.

He also pledged to “begin the process of identifying and firing every federal bureaucrat who has engaged in domestic censorship - directly or indirectly” - and said he would “ask Congress to send a bill to my desk revising Section 230,” which generally provides content immunity to social media, “to get big online platforms out of censorship business”.

“The fight for Free Speech is a matter of victory or death for America - and for the survival of Western Civilisation itself,” he said. “When I am President, this whole rotten system of censorship and information control will be ripped out of the system at large.”

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Following the suspensions, Musk conducted a 24-hour poll on Twitter on whether to restore journalists’ accounts with 58.7 per cent of votes in favour of reinstating them immediately.

“Accounts who doxxed my location will have their suspension lifted now,” he tweeted on Saturday after the vote.

It followed widespread criticism of the suspensions. Vera Jourova, a vice president of the European Commission, said the move violated the European Union’s Digital Services Act, which takes effect next year, imposing a penalty of 6 per cent of global revenue for companies that breach its rules.

Musk “should be aware of that,” she Tweeted. “There are red lines. And sanctions, soon.”

Musk defended his actions, saying he removed the journalists because they had shared his live location on Twitter (an act known as “doxxing”) and also said that a car carrying one of his children was accosted by a “crazy stalker.”

“Criticising me all day long is totally fine, but doxxing my real-time location and endangering my family is not,” he tweeted.

The journalists, however, including reporters from The New York Times, The Washington Post and CNN, said they had simply reported that Musk had suspended the account of @elonjet - an account that gave the publicly available location of Musk’s jet.

While the suspensions have been overturned, the move was highly contentious in view of Musk’s claim before taking over Twitter that he was a “free speech absolutist.”

He has previously allowed users back onto the platform, including those who had been suspended for violating previous Twitter policies on hate speech, COVID-19 vaccine misinformation or incitement.

Among them was Trump, whose account was reinstated on November 19 - almost two years after he was banned from the platform following last year’s January 6 attack on the US capitol building.

Trump, however, is yet to resume posting on Twitter, opting to stick, for now, with his social media platform Truth Social.

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