Priority mail postmark

/ Commodity Description and story / first class mail. Let your letter arrived quickly pair ~ But practical yet innovative, send a letter to a friend, the ingenuity of stamp, let letters more prominent! / Size: about (L) 7x (W) 1.7x (H) 2.5cm / Material: rubber stamp, wood (to replace wood block (better texture than the picture), and then paint on wood transparent protective lacquer) / Note: The picture for the sake of clarity, printed in black ink pad surface of a shooting stick, so there will be test marks printed, but not affect other colors printed