“Dear Martin,
Having a nice time here – weather mainly decent with the exception of last Friday. Busy harvesting of course plenty rabbits to kill & so don’t know wether I shall reach Edin this year or not.
Cheeri O
W”
Coldstream, again near Berwick. Could this ‘Wh’ or possibly ‘Dh’ be the same sender as the Bass Rock postcard? Could that one indeed have been enclosed in a letter?
Tough old days harvesting – must have been autumn – and killing rabbits for food. Can’t have been much pay.
1922 postmark?
THE GREAT FERN STREET POSTCARD MYSTERY 
Possibly Martin’s brother-in-law William Hopper, married to Martin’s younger sister Norah.
Autumn it was – the postmark says 5th September.
The plenitude of rabbits seems to be threatening to delay his travel plans. Surely gluttony would not hold him back; this sounds more like an occupational requirement. I suspect that rather than killing rabbits for food he was exterminating vermin to prevent them from eating the grain he was harvesting.