There has been one of these types of sets for each generation since (up through SV so far) - Shiny (Baby Shiny) - Shiny Super Rare (Shiny Full Art) Throughout all 3 iterations so far, they have commonly had a silvery-textured background in the picture box behind the Pokemon
6 Quick Ball (Secret Rare) $10.88 A Race To The Top The Gold Secret Rare Quick Ball surprises everyone with a sudden appearance among the most expensive Sword & Shield Base set cards
So, it isnt going to stay around forever, but a bad hand could see it gone prematurely
And why Im seeing such cheap results on cards from 25 years ago I wondered the same a couple years a go when I sold most of mine (the ones that would sell for over 99p) I remember seeing a ton of reprints when I searched up though maybe that had something to do with it 1 Like mcorey777 February 13, 2021, 8:11am 4 1st edition NobleDragon Magician 1st edition Baby Tiragon 1st edition Wisdom-Eye Magician 1st edition OafDragon Magician Limited Edition Blizzard Princess 1st edition Lavalval Ignis 1st edition Dark Hole 1st edition Vylon Prism 1st edition Odd-eyes Meteorburst Dragon 1st edition Red Eyes Zombie Dragon Gagaga Magician (not first edition) 1st edition Zombie World 1st edition Odd Eyes Absolute Dragon Overpowering Eye (not first edition) These are all Holo or it looks like holographic to me

Weakness: Grass Resistance: none Retreat: 3 Eternatus VMAX - Darkness - 340 HP Pokmon - VMAX - Evolves from Eternatus V Ability: Eternal Zone If all of your Pokmon in play are [D] type, you can have up to 8 Pokmon on your Bench, and you can't put non-[D] Pokmon into play