Almost 5,900 value changes are recorded for Vol. 6 of the 2017 Scott Standard Postage Stamp Catalogue. Vol. 6 spans countries of the world San-Z.
Trinidad and Tobago received a full line-by-line review, resulting in more than 1,100 value changes. The changes among the classic issues show mostly increases. Downward movement is reflected in values for stamps issued from the 1940s through the 1980s. Overall, values increase for stamps issued during the past 10 years. Of the almost 200 value changes in Turkey, most are increases. Scott 123a, the impeforate variety of the 1905 2½-piaster red violet, jumps from $11 unused to $20 and from $9 used to $18. A mixed bag of value changes are sprinkled throughout Sweden.
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