21st March 1979 British Flowers on Special Bath Postal Museum FDC to Celebrate the Opening of the Bath Postal Museum at 51 Great Pulteney Street in the City of Bath. The Cover folds out into a menu for the luncheon at the Royal York Hotel Bath to Celebrate the occasion. Each cover has the name of the guest on the front Mary Richards in this case. The Postmark is the Floral City Exhibition Bath H/S. This cover is not listed in any catalogue!

Pristine Condition, Scarce cover, unfolds to see menu. Probably not many have survived.