It is possible to purchase tickets for the New England Patriots home games at a website entitled Ticket Liquidator. You may also purchase tickets from the Patriots official web site.
Someone can purchase an New England Patriots jersey at most sports equipment stores. In fact, a New England Patriots jersey can usually be bought along side a matching football.
It depends on the shirt (t-shirt, replica jersey, authentic jersey, etc.), it's condition and who signed it.
One can purchase a New England Patriots jersey at several different clothing stores. Dick's Sporting Goods and Finish Line both have nice selections to choose from.
Home or away
You can get a replica Brett Favre Jersey for approximately $60. This is for an official New York Jets NFL jersey, and it will be cheaper if you're getting a child size version.
Drew Bledsoe wore #11 for the Patriots.
Their home jersey's are navy blue with white numbers.