Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Buxton Heiress Ladies Cardex
Product description: This Heiress Ladies Cardex is the wallet that has everything you need.
Product feature: Genuine Leather, Multiple Credit Card Slots, Frame for Coins, Double Snap Closure for extra capacity filling, Currency Compartment, Product Dimensions: 4.5 x 5.2 x 1.2 inches, ASIN: B00GB3DNHW, Date first listed on Amazon: October 30, 2013, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: Buxton
Target attributes: Pattern
Answer: attribute: pattern
value: None
source: None