We all readily accept that supply and demand are the forces that govern the final price of any item.
However, there is an other factor we often overlook.
Case #1
Say there are three thousand prefix collectors vying for a specific prefix held by forty individuals each with 100 notes. The demand is there, and the supply is more than enough to meet the demand.
Case #2
Now let us say the three thousand prefix collectors are vying for a specific prefix held by two individuals each with 2000 notes. The demand has not changed and the supply is still more than enough to meet the demand.
The price of the note in case #1 will be considerably lower than in case #2, due to "Seller" competition for buyers.
The HOH 2004 may have been a low printing, but several individuals obtained and held bricks of them. There is no lack of supply, so the price is fair.
The Thiessen-Crow BDH $10 Bird issue has a printing of about four times that of the HOH 2004, but no one obtained a whole brick, hence its price.
The Knight-Thiessen BEF $10 Bird issue has a printing of about half that of the Thiessen-Crow BDH $10 Bird, but several people obtained a whole brick, hence its price.
The BEP and BER 2004 are scarcer than the catalogue price would have us believe. They are scarcer than the BET, but are held by more people in small quantities.
Just a thought!
JWS