by kimmylee » Wed Feb 17, 2016 1:19 pm
Can't answer without knowing what type of envelope you're using (width etc), so check out
http://www.royalmail.com/price-finder.
It goes from Letter to Large Letter once over 5mm so you'd need to know that.
International Economy is the slow service (boat) and International Standard is what you probably know as Airmail.
Can't answer without knowing what type of envelope you're using (width etc), so check out http://www.royalmail.com/price-finder.
It goes from Letter to Large Letter once over 5mm so you'd need to know that.
International Economy is the slow service (boat) and International Standard is what you probably know as Airmail.