The above 5-inch lap mini statue of LP Od made in B.E.2529 called Roon Sarng Rong Krua or the batch of  building temple's kitchen. It's a professional collection item because of its classic style--original bronze with old surface in some degree. The mini statues of this batch were made 700 pieces, about 50 pieces were cast at the temple for first auspicious blessing ceremony and the other 650 pieces were cast at the factory. The significant difference between the two statues is that the temple-casting pieces are much heavier with their original classic bronze surface while the factory-made pieces are much lighter and brushed surface brown black (some are gold-plating surface)   

Both temple-casting and factory-casting are same batch, same Phim (mold), and same code of the small Khom script " Na" on the statue's left shoulder. Yet, their craftmanship, surface and weight are not the same. The temple-casting piece's price is higher than that of factory-casting item moderately.

In collecting Thai amulets if we have more deeper information that other collectors don't have it, we may get the rare-to-find masterpiece on that same batch. This is amulets collecting professional way.