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Re: Why do Mylar coin sleeves have an oily look (aka "newton ring" effect)?
The rainbow colours seen on oil slicks, soap bubbles and on your mylar coin holders are caused by the thin film effect, and can be generated whenever you have a "thin film" of something sit… (View Post)3 -
Re: To the DPOTD official (I dunno who does them these days)
I am indeed in Australia, and don't get overseas very often. I visited North America back in 2023 but didn't arrange to meet up with any forum friends, as I was just in South Carolina with … (View Post)1 -
Re: To the DPOTD official (I dunno who does them these days)
I humbly accept the acclamation and shall adjust my sigline accordingly. B) (View Post)1 -
Re: To the DPOTD official (I dunno who does them these days)
"DPOTD" means "Darkside Post of the Day". "Darkside" meaning "World and ancient coins", and "Post of the Day" being a very old-fashioned (if anything… (View Post)1 -
Re: Understanding a Collection
Price: I am reluctant to spend over AU$1000 (about US$650 at current exchange rates), though for specifically "must have" coins I might stretch it. Metal: obviously relates to price; haven&… (View Post)2
