Here's links to pretty much all of the parasols shops I know of - or at least the ones that sell gothy or victorian ones. Some are probably a lot more than what you would want to pay, but they're beautiful just to look at

http://www.abitshady.com.au/gothic.php
http://www.ddi-parashell.com/prsl_kbc_dingo.shtml
http://www.etsy.com/shop.php?user_id=6610410
http://www.thegoodstore.com.au/d136-126/boston-frou-frou-umbrella/
http://www.elusivevisions.com/index.cfm/EGL%5FParasols
http://shop.originals-by-kay.com/category.sc?categoryId=29
http://dpbirch.com/parasols.htm