Efaucets
search field: single handle kitchen bronze
Price Pfister T26-4DYY 206: 240 w/ soap (venetian bronze)
tuscan Bronze - i like this handle better than the others....

Price Pfister T26-4YPU 256; almost same style as above with different finish and a soap dispenser
(rustic bronze)
also available in oil rubbed bronze and pull out.
the rustic may compliment the copper sink the most.

http://www.efaucets.com/detail.asp?Product_ID=T529-YPU


Delta Faucet 978-RB 250; 262 w/ soap