Kevin, I think you're right. Let us know what it weighs.

Hi Kevin. I believe Parliamentary Notices had to be registered, so the rate on your cover is 2d postage (presumably the letter weighs between half-an-ounce and one ounce) and 6d registration. Liverpool was one of a handful of post offices from which such notices were allowed to be posted.

Mike

For the record, there were 11 items on the demonetisation of Victorian postage stamps in various numbers of Volume 40 of the GBJ. (Don't know if the specific queries were addressed, though.)

Also, Larry Rosenblum has compiled tables of rates on the GBCC site

http://www.gbstamps.com/gbcc/gbcc_rates1.html

I believe the following books are the main ones dealing with the period you want: United Kingdom Letter Rates 1635-1900 by Colin Tabeart (2nd edn 2003). British Civilian Postage Rates of the 20th Century by Michael Furfie (2000). British Postal Rates 1937 to 2000 by Robert Johnson and Gordon Peet (2...

Your Christmas wish is granted! Seriously, the categories are not cast in stone, and we can add to them when the necessity arises. Best wishes, Mike

According to Michael Furfie's book, British Civilian Postage Rates of the 20th Century, the maximum value for a Foreign insured letter to most countries in 1927 was £400. But that's for a letter sent FROM the UK, not TO the UK. I would have thought the answer to the question lies in the rates of the...

Hi Peter -- I've created a PH category and moved your post here. Can't answer your question, but found the following: Johnson and Peet (whose book starts at 1937) mention "To Karachi only up to December 1934". Furfie states "Indian airmail, London to Karachi" but only for 8 May, ...