A widower whose late wife's jewellery was stolen from his home in Northolt has made a renewed appeal to trace the belongings.
Walter Brown was left heartbroken after thieves made off with the jewellery on February 17 , in the late afternoon or evening.
They took a gold necklace with a gold Corcode on the end, a rare item Mr Brown gave to his wife from his time working at British Airways.
Gold bracelets, silver rings, a watch and other jewellery were taken in the raid.
Initially a video was released of the 91-year-old, who has lived in Northolt since 1967, speaking of his devastation at losing the items.
Now Mr Brown, along with Ealing Metropolitan Police Service (MPS), has stepped up the appeal by releasing a second video.
In the footage, he said: "I think I disturbed them.
"It would be lovely (to have the jewellery returned). For the kids and that, that's all it was for.
"I could call them (robbers) all names left, right and centre, wouldn't make any bloody difference now.
"It's just that, (I'm) a little bit choked at times because when you're on your own you're thinking different things.
"Every night, all I'm thinking about is this and that, what I should have done, should I have tried to put them in the loft the night before.
"It's a bit choking I'll be honest with you".
The thieves also stole Mr Brown's personal belongings before stealing 51 sovereign coins, which he had been collecting for 25 years.
Mr Brown, who was with his wife for 50 years before she died of cancer, had hoped to leave the items to his grandchildren.
Robbers broke into Mr Brown's home through the rear kitchen door by smashing it, police said.
PC Luke Case from the Metropolitan Police said: "The public can really help us try and restore Walter's life collection and locate the offenders.
"The items stolen are very recognisable and someone must be trying to sell them."
Anyone with information should contact 101 or Crimestoppers on 0800 555 111 quoting 2503934/17.
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