The 18 artworks were stolen from the Fitzwilliam Museum in Cambridge last April and have still not been traced.
Four men were sentenced over the burglary in September.
Mr Kiely was acquitted of the charge on Friday.
Police have since renewed their appeal for information regarding the whereabouts of the missing items - mainly jade artefacts from the Ming and Qing dynasties.
Det Insp Becky Tipping, of Cambridgeshire Police, said: "Sadly the items, which are of huge cultural significance, have still not been traced but we still have a team of detectives working to trace [them].
"The museum would dearly love to secure the return of these artefacts and there is a reward on offer to anyone who has information which leads to their recovery."
Fresh appeal for priceless Cambridge museum objectsDetectives have launched a fresh appeal for information in a bid to recover priceless Chinese artefacts stolen from a Cambridge museum.
Eighteen Chinese artefacts Ming and Qing dynasties were taken by a gang of burglars from the Fitzwilliam Museum on April 13, last year.
Three people have each been jailed for six years for their roles in the burglary, a teenage boy was also locked up after admitting burglary.
A substantial reward has been issued by the loss adjusters, for information which leads to the recovery of the stolen property.
Detective Inspector Becky Tipping said: “Sadly the items, which are of huge cultural significance, have still not been traced but we still have a team of detectives working to trace those items and would urge anyone with information to call police.
“The museum would dearly love to secure the return of these artefacts and there is a reward on offer to anyone who has information which leads to their recovery.”
The loss adjusters have issued a “substantial” reward for information which leads to the recovery of the stolen property.
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