John,
" Old Speckled Hen " was a feather weight 1927 saloon factory demonstrator ..reg.# WL3450 which can be seen on page 24 of The Magic Of MG by Mike Allison. the car was named after it's mottled fabric body.
I raise a pint to you...I regret it is not OSH !
CHEERS,
Johnny
TB#0398