It was an apparent attempt to collect the older man's pension.
Results of a post mortem on the body of a man who was brought into a post office in Carlow aren't being released for operational reasons.
The post mortem has been completed after two men brought his remains to Hosey's Post Office on the Staplestown Road on Friday morning.
It was an apparent attempt to collect the older man's pension, but when staff asked about his well being they found he was dead.
No arrests have been made.