Hidden message
SIR – My late aunt always wrote her message on the postcard (Letters, October 2) upside-down, so that those nasty postmen wouldn’t be able to read it. Mike Spragg
Great Yarmouth, Norfolk
SIR – My late aunt always wrote her message on the postcard (Letters, October 2) upside-down, so that those nasty postmen wouldn’t be able to read it. Mike Spragg
Great Yarmouth, Norfolk