If you're not planning on spending much, your best bet is this Vince Pea Coat. It's a wonderful piece, while not very expensive. Another strong contender for your wardrobe is this Vince Pea Coat. While the price of this item is not too high, it will surely attract a lot of attention.
If you're a bargain hunter, we've got your back with this Spiewak Coat. This piece is likely to become a total wardrobe staple.