My rates in Switzerland are:
60 minutes: CHF 125
90 mins: CHF 180
120 mins: CHF 240
(Payment can be made by bank transfer or by Einzahlungsschein.)
International clients may pay by credit card via a PayPal invoice that is sent electronically.
Currencies currently accepted by PayPal are:
Swiss francs, US dollars, Euros, and British pounds.