1. Condition: If the photos are in good condition, with no major damage or deterioration, they can be more valuable.
2. Rarity: If the photos are from a limited edition or a rare series within the Golden Dreams calendar, their value may increase due to their scarcity.
3. Demand: The overall demand for Marilyn Monroe memorabilia and photography can influence the value. If there is a high demand for Monroe-related items, the photos may fetch higher prices.
Based on these factors, the estimated value of two B and W photos from Marilyn Monroe Golden Dreams calendar could range between $50 to $200. However, it's always recommended to consult with an expert or reputable auction house for a more accurate assessment and valuation of specific items.