"I moved flats, the picture has been put on a new wall but there's no medal."
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Archer said he would still keep looking for the medal, adding: "Trust me, there's nothing else to do in these conditions!"
Archer was recovering from a low-grade stress fracture in his right elbow when the coronavirus lockdown began in the UK.
Asked what he had been doing - other than searching for his medal - the 25-year-old said he was making the most of the situation
"To be honest with you, I'm having a blast," Archer added.
"I get to play Call of Duty as long as I want and I still get to train at home.
"I did play the cricket [video] game last week - I'll probably stick to CoD!"