Three covers are available for CALTAPEX 2021. The first cover has a strip of 3 stamps promoting CALTAPEX 2021, CALVIRT 2022 and BNAPEX 2022 - $5.
The second cover is strictly a CALTAPEX cover with a single stamp for the CALTAPEX show - $2.
The third cover is for the Cancellation of CALTAPEX with a Picture Postage stamp for show cancellations - $5.
