1950 Penny, Cause and Effect.

Robster · July 22, 2014, 05:15:11 PM

Would the Die Crack on the left have caused the poor strike and lack of denticles on the right side of the coin.? (similar to Blakesley effect) Anyone have a similar coin.?

nealeffendi · July 22, 2014, 05:39:19 PM

Is it a die crack or lamination flaw? I have never noticed any Blakesley like effect on either die crack or lamination flaw coins. Then again I can't say I've looked for it.

Fordprefect · July 22, 2014, 05:58:10 PM

Quote from: 'Robster' pid='55189' dateline='1406015111'Would the Die Crack on the left have caused the poor strike and lack of denticles on the right side of the coin.? (similar to Blakesley effect) Anyone have a similar coin.?

Robster just about every '50 penny, Melb or Perth
are pretty much very ordinary in strike.
If you find a good one, especially Perth hang on to it.

Probably the coin you have imaged has had strike pressure
reduced to try and prolongue die life after the crack.

JeffH · July 22, 2014, 06:00:46 PM

Looks more like a planchet lamination flaw than a die crack to my eye.
Anything noteworthy on the obverse?

Robster · July 22, 2014, 06:40:12 PM

Thank you for your replies, indeed on closer inspection it certainly looks more like a faulty planchet. (delamination)! I will identify it as such.!!:ok:

markn · July 22, 2014, 08:44:05 PM

Can we see the obverse?

Robster · July 22, 2014, 11:39:51 PM

The obverse is quite well struck with no outstanding errors except for a flat area of denticles.! Will post a pic. tomorrow.!

Robster · July 23, 2014, 08:23:06 AM

The obverse shows a slight off-centre strike causing a doubling of the rim and the aforementioned weak denticles.

Robster · July 23, 2014, 04:46:17 PM

This Melbourne minted coin would be the best struck I have, with the added bonus of a nicely doubled date.