Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: ALICE COOPER - US Promo 1971 Matted Mini Poster - 30.3x24cm
Product description: This Alice Cooper image is from the art of Classic Rock Posters Book. It is not the original concert poster.This artwork has been hand picked from some of the rarest artbooks around. It is not reproduced or copied in any way. The print has been matted using premium quality black or white mount board. All prints are pressure mounted onto quality Kraft board for rigidity and weight. The complete item is ready to be framed and most fit into standard sized frames which are widely available. All pieces are supplied in a protective sleeve and are shipped in reinforced cardboard envelopes to ensure they reach you in perfect condition. Please Note: size listed is of the poster only posters come pre-made from our supplier.
Product feature: 98% of orders shipped within 24 hours, Printed on High Quality Poster Paper, Brand New and Original
Product price: $18.99
Product brand: Stick It On Your Wall
Target attributes: Type
Answer: attribute: type
value: poster
source: product feature
attribute: type
value: poster
source: product title
attribute: type
value: poster
source: product description
attribute: type
value: posters
source: product description