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I'm interested in getting a detailed quote for standard size American Mahjong playing sets. Can you provide the pricing for the most common options available? Additionally, I'd like to know about the minimum order quantity and any available variations in design or quality, if applicable. It would also be helpful to receive information on lead times for production and shipping, as well as any bulk purchase discounts you may offer. If you have a catalog or images of the available options, that would be great too. Looking forward to your prompt response!