Model EF55

From Stamp Collecting Wiki

Model EF55
Country of production	Japan (Nippon)
Location of production	郵便マーク
Date of production
Nature of rarity	Uncommon Stamp
Estimated existence	Unknown
Face value	62 Yen
Estimated value	Unknown

The Model EF55 is an uncommon stamp found on packages and sometimes envelopes. The picture is an old electric train, somewhat similar to a bullet train. The author is unknown and was built by "郵便マーク."