Countrygirl,

A quick reply to your post.

The brand is "3" or Three UK which is a carrier in Great Britain like Verizon is in the US. You cannot call Europe from the US or the US from Europe with this service. Here is a link to the Amazon listing, which has seen a price drop recently to $19.09. The seller, UK Sims has been around for a few years and seems to be reputable and knowledgeable from what I have seen. I suggest you read the listing questions and answers for more details. Bear in mind that information seems to cover a variety of similar offerings over the past few years.

I would recommend a current, carrier unlocked 5G phone if you are in the market. Preferably with esim capability. You will be able to use it for your trip and here when you return.