(1)A pattern or sample packet may contain bona fide trade patterns or samples of merchandise not having any saleable value, together with, or without, any matter which may be sent as a book packet;Provided that small amounts of prasad or similar materials greetings or blessings, or messages of similar nature, may also be sent in pattern or sample packets if they have no intrinsic monetary value, and the total weight of such packet does not exceed 10 grams:Provided further that there shall be no writing upon or in a pattern or sample packet, except the name and address of the sender, the name and address of the person for whom it is intended, a trade mark, numbers, prices and indications as to the weight, size or quantity to be disposed of.(2)Objects of natural history, dried or preserved animals and plants, geological specimens and other similar objects shall also be admitted to transmission by post at the rates of postage for pattern and sample packets provided that they are not sent for a commercial purpose, and that they are packed in the manner prescribed for pattern and sample packets generally.
