https://www.goldmine-elec-products.com/prodinfo.asp?number=G16610
read in Shipping section
International Customers
… $50.00 (plus shipping) minimum order to all Foreign Countries (except Canada)
that is cheap for usa and canadian customers
That’s a bit high for non-US customers!
I’ve got 4 of these. They work fine once you get the pinning right 
Can’t beat the price, though I really wanted negative red on black ones.