this specimens looks like Samia treadewayi form Palawan island. If this Samia is from Palawan like the offered pupae some weeks ago, it is treadewayi and not luzonica. Luzonica occurs at the island of Luzon and some other Philipines islands.
hello Eric, according to my information they are not from Palawan but from Marinduque. So that makes them luzonica. However, info on import cocoons is rarely very reliable, so ...