12 Best Japanese Pokmon Sets to Collect in 2026 Pokemon 151 Gengar Vol 4 'Collect 151 Gathering' Slim Standard Box TCGHOBBY Certain modern Japanese sets are rapidly rising, much like the quick rise certain English sets like 151 experienced recently here in the United States. A lot of this price movement Pokmon 151 prices continue to drop slightly after a massive rise in price the past 3 weeks. In total, I expect a correction of at least 10% before they begin to rise