Stefan Proynov: Fantastic Washington Quarter mint error
Stefan Proynov: Fantastic Washington Quarter mint error
Check out this fantastic NGC-certified Washington Quarter that was Doub As you can see, the second strike was off-center and caused the loss...
MINT ERROR AMERIKAN CENT (1843-1857) Mature Head Large Cent — Struck 30% Mint Errror...
Stefan Proynov:NGC Mint Error MS 64
A remarkable mid-19th century plaited hair center graded NGC Mint Errror MS 64 This cent, struck with a 30% center discount, shows no date....
Stefan Proynov: What is the most sought after mint error US cent by collectors?
Stefan Proynov: There is a coin error with a face value of one Lincoln cent from 1943, which was minted on another tablet.
This coin is one of the most...
Stefan Proynov: Bulgarian coin in TOP 5 MS67 1 lev 1962 turned out to...
Stefan Proynov: Error coin expert for Europe: This year, NGC gave one of their highest grades to a 1962 Bulgarian 1 Lev coin and it turned out to be...
Heritage Auctions Coins- Captivating Off-Center Cent!
Stefan Proynov: Error coin expert for Europe – I couldn’t miss this unique coin
Captivating Off-Center Cent!
This notable error coin is pedigreed to the collection of Fred Weinberg, a respected...
finland 1949 5 markkaa suomen tasavalta mint error
Stefan Proynov: Error coin expert for Europe – finland 1949 5 markkaa suomen tasavalta mint error
Here we see a coin with a cracked die on the reverse.
The tracks are...
Majestic Mint Error!
Stefan Proynov: Majestic Mint Error! Wow, how amazing is this? Rarely are off center errors seen in the Standing Liberty quarter series and this coin is WAY off center!
This...
Mint error: Spectacular 1794 Doublestrike!
Stefan Proynov: Spectacular 1794 Doublestrike! There are no rarity ratings available for error half cents, but this coin is certainly rare! A normally struck 1794 B-2b half cent...
Mind-Boggling MS66 Error!
Mind-Boggling MS66 Error! Early error coins are scarce in general, but this coin is incredible. This piece ranks among the most amazing half cents of the 1790s that we...
Stefan Proynov: Error exspert- 25C D 1993 WASHINGTON QUARTER MINT ERROR
Stefan Proynov mint error expert for your attention an American coin in the highest quality MS70.
We see it turned on the reverse side of the coin. This is a...