In summation this Automatic Electronic Entry allows entry for the award drawing using electronic receipts. The decoding circuit, in which a plurality of code words are transmitted in interleaved manner and a plurality of code words are simultaneously decoded on reception side, comprises a decoder which decodes a plurality of said code words simultaneously. The second layer of Raman signal-enhancing material is disposed on a side of the layer of molecules opposite the first layer of Raman signal-enhancing material.