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)

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 2021. 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.

	Parchimowicz	Fischer
Catalogue parameters
cover image
arrangement	chronological with face value	chronological with face value
coin's identyfication	the same	changeable
cover	hard (2023-..)or soft (..-2022)	soft
format	188×123 or 180×115 mm	206×147 mm
publisher	NEFRYT	FISCHER
Collector coins prices analysis
number of coins	515	507
maximum price deviation	84 %	122 %
average price deviation	-8 %	-6 %
Nordic Gold coins prices analysis
number of coins	260	272
maximum price deviation	233 %	166 %
average price deviation	8 %	-9 %