1955 WATERLOW CASTLE ISSUE - TWO SCARCE REGISTERED STATIONER...

1955 WATERLOW CASTLE ISSUE - TWO SCARCE REGISTERED STATIONERY COVERS: 14 Feb. 1958 1/2½d insured registered env from Brentford to The Hague uprated with Wilding ½d & 11d plus Waterlow 2/6d Castle paying the 4/8d "all up" rate made up of 3/10d registration and insurance (to £200) and 10d postage for 2 oz. 12 Oct. 1956 8½d registered envelope bearing a single Waterlow 2/6d used from Ockham to Montego Bay, Jamaica sent contrary to regulations as it contained cash. It was resealed and returned by customs with framed "Contrary to Regulations/F.B." hs and boxed "REGISTERED LETTER/RETURN TO SENDER" hs struck over "AIR MAIL" label. (2 covers)