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HONG KONG POSTAL GUIDE
NOTE: When perforated wooden blocks are used having a thickness of at least 1/10" in the thinnest part, sufficiently provided inside with absorbent material and supplied with a lid, it is not necessary that the blocks shall be enclosed in a second case.
(c) Fatty substances which are not easily liquified, such as ointments, soft soap, resin, etc. the transmission of which offers less in- convenience, must be enclosed in an inner cover (box, bag of linen or parchment, etc.) which must itself be placed in a second box of wood, metal, or strong and thick leather.
(d) Dyes such as aniline, etc. are not admitted unless enclosed in stout tin boxes, placed inside wooden boxes, with sawdust between the two covers, dry non-colouring powders must be placed in boxes of metal, wood, or cardboard and these boxes themselves enclosed in a bag of linen or parchment.
(e) Samples of liquids and fatty substances, and those enclosed in linen or paper envelopes of little strength must have a label, preferably of parchment, attached, for the address of the addressee, the postage stamps and the impression of the date stamps. The address must be repeated on the article itself.
55.-Printers' blocks, keys sent singly, fresh-cut flowers, articles of natural history (dried or preserved plants, geological specimens, etc.), tubes of serum and pathological objects rendered harmless by their mode of preparation and packing, are also admitted at the rates of postage for samples. These articles except tubes of serum sent in the general interest by laboratories or institutions officially recognised, must not be sent for a commercial purpose. Their packing must be in accordance with the general regulations regarding samples of merchandise.
56.-Articles of any kind which would be spoilt if packed in the manner prescribed above may be admitted in covers hermetically sealed, but in such cases the Post Office may require verification of the contents by opening of certain of the packets or in some other way.
57.-The limit of weight for packets of samples for the United Kingdom, British possessions or protectorates, Egypt or Non-Union countries is 5 lbs.; but for foreign countries in the Postal Union the limit is 1 lb.
58.-A packet of samples sent to the United Kingdom or any British possession or protectorate, Egypt or a Non-Union country must not exceed 2 feet in length by 1 foot in width or depth, but to any foreign country comprised in the Postal Union a packet must not exceed 18 inches in length, 8 inches in width, or 4 inches in depth, unless it be in the form of a roll, in which case the limit of size is 18 inches in length and 6 inches in diameter.
59.-Type samples of unmanufactured tobacco and of spirits (except per fumed spirits) are admitted by post into the United Kingdom provided that such samples are sent for trade purposes, that they do not exceed 6 ozs. and 12 ozs. respectively in gross weight, and that they comply with the general regulations of the Sample Post. Upon the delivery of such samples there is levied from the addressee a charge of 2/9 and 3/6 respectively for Customs duty.
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