Every printing we track, with today's reference value. Cards someone is selling show the lowest price.
12 cards

Growlithe - 1/12
McDonald's Promos 2018 #001/012

Psyduck - 2/12
McDonald's Promos 2018 #002/012

Horsea - 3/12
McDonald's Promos 2018 #003/012

Pikachu - 4/12
McDonald's Promos 2018 #004/012

Slowpoke - 5/12
McDonald's Promos 2018 #005/012

Machop - 6/12
McDonald's Promos 2018 #006/012

Cubone - 7/12
McDonald's Promos 2018 #007/012

Magnemite - 8/12
McDonald's Promos 2018 #008/012

Dratini - 9/12
McDonald's Promos 2018 #009/012

Chansey - 10/12
McDonald's Promos 2018 #010/012

Eevee - 11/12
McDonald's Promos 2018 #011/012

Porygon - 12/12
McDonald's Promos 2018 #012/012