If you're budget-restricted, your best bet is this Marc Jacobs Bag. It's a popular piece, while not very costly. Another great option is this Marc Jacobs Tote Bag. While the price is competitive, be sure that this piece will become a wonderful addition to your wardrobe.
If you're looking for a happy medium, why not check out this Marc Jacobs Handbag. While the price is very reasonable, this piece is an easy wardrobe update.
If you want to splurge, then what you're looking for is this Marc Jacobs Clutch. It's more expensive but worth your money.