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: 2015 (2) $5 Silver Canadian Red Tailed Hawk 1oz. (Brilliant Uncirculated)
Product feature: 2015 (2) $5 Silver Canadian Red Tailed Hawk 1oz. (Brilliant Uncirculated), Red Tailed Hawk, 1oz each, Silver
Target attributes: Type
Answer: attribute: type
value: silver
source: product title
attribute: type
value: silver
source: product feature