I dont have any concrete evidence to disprove the number 50 however, as anecdotal as it is Ive seen far too many for sale and know some collectors who also own them, to have only 50 wouldnt be realistic
However, Great Ball RG 92 has an official errata that changes its text to match that of the Great Ball from Crown Zenith, making the Great Ball from EX FireRed & LeafGreen also legal for play in the Standard format
7) Venusaur ex Special Illustration Rare ( Scarlet & Violet 151 ) This card comes from the popular Scarlet & Violet 151 collection
cards, so its useless to negate their effects via, say, Ash Blossom
While both investing and scalping involve purchasing TCG products with the goal of eventually selling them to turn a profit, scalping involves the use of practices that while not illegal, are regarded as highly unethical and very much frowned upon by the TCG community
Half Unbreak X TRAP Target 1 monster on the field