Some people stuffing the Oudh with heavy pieces like iron or lead, and stick adhesive materials such as wax and glue, so it seems that the real weight of Gaharu, this method is used in high Oudh prices.
stuffing the Agarwood with wax / candle ( green in colour)
Nice wood from its apperance.
Lead was inserted from side.
Heat application to the low grade of woods such as steaming or wrapping the wood with plastic bag and leave in the car, will extract the latent oil to the surface, making the wood look attractive, followed by stuffing the wood with foreign object as shown above is very common. Sinked Gaharu fetches higher price in the market.