1978 China Oceanic trading company commercial cover to USA

Some recent trading company china auctions on eBay:

Old 1892 - CHINA - SINGER Sewing Machine Co. - Victorian TRADE CARD

$8.99
End Date: Tuesday Mar-6-2018 13:03:51 PST
Buy It Now for only: $8.99
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5574 Sears, Roebuck Co. china dinner set embossed trade card
$18.00
End Date: Sunday Mar-18-2018 19:51:04 PDT
Buy It Now for only: $18.00
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KOWLOON 1940s BUSINESS TRADE CARD You On & Co. TSIM SHA TSUI Hongkong CHINA
$10.00
End Date: Wednesday Feb-21-2018 16:14:21 PST
Buy It Now for only: $10.00
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