You can choose to send a cheque or you can pay by credit cards including Mastercard, Amex and Visa. If you choose to pay by credit card you will make a secure transaction using PayPal. To do this you need to create your own Paypal account. You will see HTTPS in the addressbar and a yellow lock symbol on the task bar showing you this is a secure transaction.
If you pay by credit card the PayPal system will allow you to choose to pay in either GBP (Pounds Sterling) or  Euros € and will show up on your credit card statement as a payment to 'Paypal Mycomiscellany'.

What is PayPal? 
PayPal is the world's largest online payment service and is a currently available in 37 countries worldwide. PayPal seeks to become the global standard for online payments with over 12 million registered users, including more than 2.2 million business accounts. Whether you are a business or an individual, this is an easy way to pay (and accept money) through your email address.

You can send money to anyone with an email address.
You can easily buy from online auctions.
You can request money from someone who owes you money.
You can use your account to shop online at many stores.

Is PayPal secure? 
Yes. PayPal uses SSL technology to keep your information safe. In addition, when you send a payment using PayPal, the recipient won't receive sensitive financial information like your credit card or bank account number. This way, you don't have to worry about paying people you don't know.

Does it cost money to sign up for PayPal? 
No. It is free to open and send money using a PayPal account.

How does PayPal work? 
Once you sign up for PayPal, you can send money to anyone with an email address using the money from your PayPal balance or another funding option of your choice. Recipients are notified by email that they have received a payment.

How private are PayPal transactions? 
PayPal is committed to protecting the privacy of our users. When you send or request money using PayPal, the only information the recipient sees is your email address, date of sign-up, and whether you have confirmed an account at another financial institution. Recipients never see your financial information such as credit card or bank account numbers.