Cataloque prices for year 2018 and auction prices
What is the influence of catalogues for market (auction) prices? Which of polish numismatics catalogues is the best? Each year in Poland a few catalogues about collector coins are issued. The most popular ones (polish titles):
- Parchimowicz - Katalog monet polskich obiegowych i kolekcjonerskich (Catalogue of polish collector and occasional coins)
- Fischer - Katalog monet polskich (Catalogue of polish coins)
- Kurnik - Katalog monet polskich (Catalogue of polish coins)
Catalogue and auction (market) prices
Following graphs describe percentage differences between market (auction) and catalogue prices for each catalogue. The point of reference (line 0) is the market price (mouth 12) in the year 2018. The highest number of points is nearby point of reference (line 0) the better is catalogue in price prediction.
Which catalogue is the best?
In each catalogue one can find basic information about coins: image, year of issue, dimensions, metal, finish, diameter, weight, mintage and catalogue price. Functionally catalogues can be describe as is in the following table.
|arrangement||chronological with face value||chronological with face value||with face value|
|coin's identyfication||the same||changeable||the same|
|format||180×115 mm||206×147 mm||210×148 mm|
|Collector coins prices analysis|
|number of coins||432||432||13|
|maximum price deviation||130 %||115 %||92 %|
|average price deviation||40 %||30 %||18 %|
|Nordic Gold coins prices analysis|
|number of coins||260||269||260|
|maximum price deviation||233 %||160 %||197 %|
|average price deviation||65 %||34 %||75 %|